<?xml version="1.0" encoding="UTF-8"?><rss xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:content="http://purl.org/rss/1.0/modules/content/" xmlns:atom="http://www.w3.org/2005/Atom" version="2.0"><channel><title><![CDATA[Agata Proxima Engineering]]></title><description><![CDATA[Agata Proxima is a PostgreSQL security platform featuring a Rust-powered proxy, tenant isolation, access verification, audit logs, attestations, and security management.]]></description><link>https://httpsagataproximacom.hashnode.dev</link><image><url>https://cdn.hashnode.com/uploads/logos/6addf79296cee1a55fac1d68/d10374ef-f7c0-4aad-bba0-4c212c5a5ae1.jpg</url><title>Agata Proxima Engineering</title><link>https://httpsagataproximacom.hashnode.dev</link></image><generator>RSS for Node</generator><lastBuildDate>Sat, 31 Oct 2026 14:32:29 GMT</lastBuildDate><atom:link href="https://httpsagataproximacom.hashnode.dev/rss.xml" rel="self" type="application/rss+xml"/><language><![CDATA[en]]></language><ttl>60</ttl><item><title><![CDATA[Agata Proxima: PostgreSQL Security, Tenant Isolation & Database Access Verification]]></title><description><![CDATA[Agata Proxima secures PostgreSQL with tenant isolation, access verification, and Rust-powered security infrastructure.]]></description><link>https://httpsagataproximacom.hashnode.dev/agata-proxima-postgresql-security-tenant-isolation-database-access-verification</link><guid isPermaLink="true">https://httpsagataproximacom.hashnode.dev/agata-proxima-postgresql-security-tenant-isolation-database-access-verification</guid><category><![CDATA[Rust]]></category><category><![CDATA[tenant]]></category><category><![CDATA[Tenant Isolation]]></category><category><![CDATA[PostgreSQL]]></category><category><![CDATA[Developer]]></category><category><![CDATA[ceo]]></category><category><![CDATA[Databases]]></category><category><![CDATA[Security]]></category><category><![CDATA[cyber security]]></category><category><![CDATA[Open Source]]></category><category><![CDATA[saas development ]]></category><category><![CDATA[SaaS]]></category><dc:creator><![CDATA[Anthony Emmanuella Mmasinachi]]></dc:creator><pubDate>Sat, 31 Oct 2026 02:06:58 GMT</pubDate><enclosure url="https://cdn.hashnode.com/uploads/covers/6addf79296cee1a55fac1d68/063885bc-74eb-444e-ba6f-6721b3fdb923.png" length="0" type="image/jpeg"/><content:encoded><![CDATA[<p>Introducing Agata Proxima: PostgreSQL Security, Tenant Isolation &amp; Data Protection</p>
<p>A new security platform for SaaS companies, developers, and organizations that need stronger control over how their PostgreSQL data is accessed, protected, and verified.</p>
<p>Modern software runs on data. For SaaS companies, that data often belongs to hundreds or thousands of different customers sharing the same infrastructure.</p>
<p>The challenge is not simply storing that information. It is protecting the boundaries between customers, controlling who can access what, detecting suspicious activity, and maintaining reliable records of security operations.</p>
<p>That is where Agata Proxima comes in.</p>
<p>Agata Proxima brings PostgreSQL tenant isolation, security enforcement, access verification, monitoring, audit records, attestations, and infrastructure management together in one platform.</p>
<p>Built around a high-performance Rust engine and a hosted security control plane, Agata Proxima gives engineering teams a dedicated layer for protecting and managing their existing PostgreSQL infrastructure.</p>
<p>One platform. Multiple layers of protection. One clear mission: stronger security for every tenant.</p>
<p>Why We Created Agata Proxima</p>
<p>Multi-tenant architecture has become a foundation of modern SaaS.</p>
<p>It allows businesses to serve multiple customers efficiently, but it also introduces a serious responsibility: maintaining separation between customer environments and data.</p>
<p>A single authorization mistake can create consequences far beyond one request.</p>
<p>For engineering teams, preventing those mistakes requires carefully designed access controls. For growing companies, it also requires monitoring, operational management, security evidence, and the ability to investigate incidents.</p>
<p>These responsibilities are frequently distributed across application code, database configurations, monitoring systems, internal scripts, and administrative tools.</p>
<p>Agata Proxima was created to bring these concerns into a more coordinated security architecture.</p>
<p>We wanted to build infrastructure that developers could integrate into existing systems, while giving organizations the tools to manage security beyond individual application queries.</p>
<p>The result is a platform designed around three priorities:</p>
<p>Enforce access. Verify isolation. Maintain accountability.</p>
<p>Meet Agata Proxima</p>
<p>Agata Proxima is a PostgreSQL security platform built for multi-tenant applications and the teams responsible for protecting them.</p>
<p>It combines a Rust-powered database proxy with a hosted management environment that brings security operations together.</p>
<p>The platform is organized around two connected components.</p>
<p>Proxima Engine handles the database connection path, tenant identity validation, role-based routing, and security-related enforcement.</p>
<p>Agata Proxima Cloud provides the management environment for organizations, security policies, infrastructure nodes, verification, audits, attestations, access governance, and commercial services.</p>
<p>Together, they provide a security architecture extending from database connections to organizational oversight.</p>
<p>Keep your existing PostgreSQL database</p>
<p>Adopting Agata Proxima does not require replacing PostgreSQL or rebuilding an application around a completely different database product.</p>
<p>The engine operates between the application and its PostgreSQL server.</p>
<p>Applications continue using PostgreSQL drivers, while the engine introduces a configurable security boundary into the connection path.</p>
<p>This allows organizations to strengthen their existing infrastructure rather than migrate their data simply to adopt a new security platform.</p>
<p>The Rust Engine Behind Agata Proxima</p>
<p>At the center of Agata Proxima is Proxima Engine, developed in Rust.</p>
<p>Rust was selected for its performance characteristics, memory safety, and suitability for systems-level infrastructure.</p>
<p>The engine works directly with PostgreSQL connections and supports tenant-aware security enforcement.</p>
<p>Its capabilities include:</p>
<p>- Signed tenant-context validation.</p>
<p>- Tenant-specific PostgreSQL role routing.</p>
<p>- Rejection of invalid or expired tenant credentials.</p>
<p>- Connection and protocol safeguards.</p>
<p>- Integration with PostgreSQL permissions and Row-Level Security.</p>
<p>- Operational health and metrics.</p>
<p>- Security-related verification and attestation tooling.</p>
<p>- Emergency-access mechanisms.</p>
<p>- Violation detection and configurable connection blocking.</p>
<p>A typical connection follows a simple path:</p>
<p>Application → Proxima Engine → PostgreSQL</p>
<p>The engine validates the relevant connection context and routes database access through the configured security model.</p>
<p>This provides an additional enforcement point between application traffic and the database.</p>
<p>Open source, with a clear purpose</p>
<p>Proxima Engine is available publicly under the MIT License.</p>
<p>Developers can inspect the source code, evaluate the architecture, run local demonstrations, and contribute improvements.</p>
<p>The open-source engine is one component of Agata Proxima. The hosted Cloud platform, including its commercial management capabilities, remains a separate proprietary product.</p>
<p>Explore the engine:</p>
<p><a href="https://github.com/Agata-Proxima/proxima-engine">https://github.com/Agata-Proxima/proxima-engine</a></p>
<p>Security Capabilities Across the Platform</p>
<p>Agata Proxima goes beyond connection-level tenant enforcement. Its hosted platform brings together the tools organizations need to operate and review their security infrastructure.</p>
<p>Tenant isolation and access protection</p>
<p>Agata Proxima helps teams enforce tenant-aware database access through signed tenant identity, database roles, and PostgreSQL security controls.</p>
<p>The architecture is designed to prevent unauthorized tenant context from becoming an accepted database connection and to keep access aligned with the intended tenant boundary.</p>
<p>Security policies</p>
<p>Organizations can manage security policies and access-related configurations through the platform.</p>
<p>This provides a central place to work with the controls governing protected environments.</p>
<p>Access governance</p>
<p>Security also depends on who is authorized to manage infrastructure.</p>
<p>Agata Proxima supports organizational access management, team membership, and role-based permissions, allowing teams to separate administrative responsibilities.</p>
<p>Threat Watch and protection controls</p>
<p>The platform includes security-monitoring capabilities for investigating suspicious activity and relevant security events.</p>
<p>Alongside the engine's violation breaker, these capabilities support a more proactive approach to monitoring database infrastructure.</p>
<p>Watchdog and breaker controls</p>
<p>Operational protection is an important part of security.</p>
<p>Agata Proxima includes watchdog and breaker capabilities designed around monitoring infrastructure conditions and responding to security-related failures.</p>
<p>These controls give operators additional visibility into the behavior of their protected systems.</p>
<p>Verification: Test the Boundary, Not Just the Application</p>
<p>Agata Proxima places security verification at the center of its approach.</p>
<p>Organizations need to know how their infrastructure behaves when a request attempts to cross an authorization boundary.</p>
<p>Our verification approach focuses on practical security scenarios, including valid tenant access, invalid tenant context, unauthorized cross-tenant operations, and the behavior of configured enforcement controls.</p>
<p>Developers can reproduce tenant-isolation scenarios using the public engine's testing documentation.</p>
<p>The hosted platform also provides verification workflows and supporting records.</p>
<p>This gives engineering teams a way to move beyond simply configuring security controls toward actively examining how those controls behave.</p>
<p>Security becomes something teams can demonstrate, inspect, and improve.</p>
<p>Audits, Attestations, and Security Evidence</p>
<p>A strong security platform should help organizations understand their security operations.</p>
<p>Agata Proxima brings together audit records, attestations, and verification evidence to support accountability and investigation.</p>
<p>Audit logs</p>
<p>Audit records provide visibility into relevant activity across the platform.</p>
<p>They help organizations review security-sensitive operations, investigate changes, and maintain a history of important events.</p>
<p>Attestations</p>
<p>Attestations introduce an additional layer of recorded security evidence.</p>
<p>Proxima Engine supports signed, hash-linked attestation records, with verification tooling for checking recorded ledger integrity.</p>
<p>The hosted platform also provides attestation-related management and evidence workflows.</p>
<p>Evidence and reporting</p>
<p>Security teams need records they can review, retain, and communicate.</p>
<p>Agata Proxima's verification, audit, and attestation capabilities support the creation and examination of security evidence, including reporting and export workflows.</p>
<p>Together, these capabilities help organizations maintain a clearer picture of how their security infrastructure is operating.</p>
<p>Emergency Access and Operational Control</p>
<p>Production infrastructure occasionally requires exceptional administrative action.</p>
<p>Agata Proxima includes break-glass capabilities for controlled emergency-access scenarios.</p>
<p>The engine supports short-lived signed emergency tokens, while the broader platform brings emergency-access operations into its security-management environment.</p>
<p>These capabilities are part of a wider approach to operational control: giving authorized teams the tools they need to respond to exceptional situations while preserving security accountability.</p>
<p>Agata Proxima Cloud: One Place to Manage Your Security Infrastructure</p>
<p>Agata Proxima Cloud provides the hosted management experience for the platform.</p>
<p>Instead of handling every security operation through disconnected tools, organizations can work from a centralized dashboard.</p>
<p>The platform includes management areas covering:</p>
<p>- Command Center: Operational visibility and infrastructure activity.</p>
<p>- Security: Protection controls and security monitoring.</p>
<p>- Tenants: Tenant-related management workflows.</p>
<p>- Policies: Security-policy configuration.</p>
<p>- Nodes and Deployments: Registered engine infrastructure and environments.</p>
<p>- Verification: Security tests and verification activity.</p>
<p>- Audits: Security-related records and review.</p>
<p>- Attestations: Integrity evidence and related operations.</p>
<p>- Access and Team: Organization permissions and collaboration.</p>
<p>- Developer Tools: API keys, SDK and CLI resources, webhooks, and documentation.</p>
<p>- Billing: Subscription plans, usage, and account management.</p>
<p>- Support: Assistance and communication with the Agata Proxima team.</p>
<p>The goal is to give organizations a unified view of the security infrastructure they operate.</p>
<p>Designed for Developers and Growing Companies</p>
<p>Agata Proxima serves different audiences with different responsibilities.</p>
<p>For backend developers, it offers a Rust-based PostgreSQL security engine, integration resources, local development workflows, and practical tenant-isolation demonstrations.</p>
<p>For SaaS founders, it provides a platform focused on one of the most important responsibilities of a multi-tenant business: protecting customer information.</p>
<p>For platform engineers, it brings infrastructure nodes, environments, security operations, and monitoring into a coordinated management experience.</p>
<p>For security teams, it provides access governance, verification, audit records, attestations, and operational evidence.</p>
<p>The platform is designed to grow with the organizations using it.</p>
<p>Free, Starter, Growth, and Scale</p>
<p>We believe developers should be able to explore security infrastructure before making a major financial commitment.</p>
<p>Agata Proxima offers a range of plans for different stages of development and organizational growth.</p>
<p>Free — Start exploring</p>
<p>The Free plan gives developers and early-stage teams an entry point into Agata Proxima Cloud, with included features and usage allowances.</p>
<p>Developers can also use the open-source Proxima Engine independently.</p>
<p>Starter — Move beyond evaluation</p>
<p>Starter is designed for teams beginning to adopt Agata Proxima as part of their regular development and security workflows.</p>
<p>It provides a paid entry point for organizations that need more than the Free plan.</p>
<p>Growth — Expand your security operations</p>
<p>Growth is aimed at expanding SaaS companies and engineering teams with increasing infrastructure and operational needs.</p>
<p>Scale — Support larger requirements</p>
<p>Scale serves organizations with greater capacity requirements and more demanding security-management workloads.</p>
<p>Organizations can review current pricing, features, and included limits directly on the official platform.</p>
<p>Explore plans: <a href="https://agataproxima.com">https://agataproxima.com</a></p>
<p>Supporting Startups That Cannot Yet Afford a Paid Plan</p>
<p>We understand that not every promising startup has the financial resources to pay for additional infrastructure immediately.</p>
<p>A founder may be developing a valuable product, serving early customers, or preparing for launch while operating under a limited budget.</p>
<p>We don't want the conversation to end simply because that company cannot afford Starter today.</p>
<p>If your startup needs Agata Proxima but cannot currently afford a paid plan, contact our support team.</p>
<p>Tell us what you're building, the security challenges you're facing, and what kind of access would help you move forward.</p>
<p>We are open to reviewing individual circumstances and discussing practical arrangements.</p>
<p>Depending on the situation, that could include:</p>
<p>- A short payment grace period.</p>
<p>- Temporary access to selected paid capabilities.</p>
<p>- An individually approved evaluation period.</p>
<p>- Up to one month of additional access for qualifying circumstances.</p>
<p>These arrangements are considered individually, based on the organization's needs and the support we can reasonably provide.</p>
<p>They are not automatic extensions of every subscription.</p>
<p>The same approach applies to existing customers facing a temporary payment difficulty. Rather than assuming there is no solution, we encourage customers to contact us so we can discuss their circumstances.</p>
<p>We're building relationships with developers and companies, not just processing subscriptions.</p>
<p>For assistance, contact:</p>
<p><a href="mailto:support@agataproxima.com">support@agataproxima.com</a></p>
<p>The Founder Behind Agata Proxima</p>
<p>Agata Proxima was founded by Anthony Emmanuella Mmasinachi, a full-stack and systems engineer working across application development, backend systems, database infrastructure, and security engineering.</p>
<p>The idea behind Agata Proxima came from a broader question about modern software architecture:</p>
<p>Why should protecting customer data depend on so many disconnected systems and individual implementation decisions?</p>
<p>Building the platform meant working across multiple technical disciplines, from PostgreSQL connection handling and Rust systems programming to security verification, hosted management, and developer tooling.</p>
<p>The decision to develop an open-source engine alongside a separate hosted platform was central to the product's direction.</p>
<p>It gives developers access to the underlying enforcement technology while providing organizations with a management environment for operating that technology at scale.</p>
<p>Agata Proxima represents the founder's work toward making database security more accessible, manageable, and verifiable for the teams responsible for it.</p>
<p>What Makes Agata Proxima Different?</p>
<p>Agata Proxima occupies a specific position in the PostgreSQL ecosystem.</p>
<p>Database platforms such as Supabase, Neon, and AWS database services provide infrastructure for storing, operating, and accessing data. Other solutions, including Nile, focus on multi-tenant database architecture and tenant-aware development.</p>
<p>Agata Proxima approaches the problem from the perspective of security enforcement and operational control around an existing PostgreSQL deployment.</p>
<p>Its distinguishing approach brings together:</p>
<p>A dedicated Rust proxy: A separate enforcement point in the PostgreSQL connection path.</p>
<p>Signed tenant context: Tenant identity validation before routing protected database connections.</p>
<p>Tenant-specific database roles: Integration with PostgreSQL permissions and RLS.</p>
<p>Security verification: Practical testing of tenant-access boundaries.</p>
<p>Audits and attestations: Operational records and integrity evidence.</p>
<p>Threat monitoring and emergency controls: Additional tools for security-sensitive operations.</p>
<p>Hosted management: Centralized organizational, infrastructure, policy, access, and billing workflows.</p>
<p>An open-source foundation: A public engine that developers can inspect and evaluate independently.</p>
<p>The combination is what defines Agata Proxima's approach.</p>
<p>It gives teams a way to strengthen the security of PostgreSQL infrastructure they already operate, while adding a management layer for the wider responsibilities of protecting multi-tenant applications.</p>
<p>Join the Agata Proxima Community</p>
<p>Agata Proxima is more than a product announcement.</p>
<p>We want to build a community of developers, database engineers, security professionals, and SaaS founders who care about how secure infrastructure is designed and operated.</p>
<p>Whether you're evaluating the engine, exploring the hosted platform, contributing code, or discussing PostgreSQL architecture, you're welcome to connect with us.</p>
<p>Website: <a href="https://agataproxima.com">https://agataproxima.com</a></p>
<p>Open-source engine: <a href="https://github.com/Agata-Proxima/proxima-engine">https://github.com/Agata-Proxima/proxima-engine</a></p>
<p>LinkedIn: <a href="https://www.linkedin.com/company/agata-proxima/">https://www.linkedin.com/company/agata-proxima/</a></p>
<p>X: <a href="https://x.com/Worldtwins25">https://x.com/Worldtwins25</a></p>
<p>Developer Discord: <a href="https://discord.gg/xsYSuDMzg">https://discord.gg/xsYSuDMzg</a></p>
<p>Support: <a href="mailto:support@agataproxima.com">support@agataproxima.com</a></p>
<p>The Road Ahead</p>
<p>Agata Proxima was built with a clear purpose: help organizations protect customer data through stronger tenant isolation, security enforcement, verification, and operational visibility.</p>
<p>Our focus now is on developer adoption, real-world evaluation, community contributions, and helping teams integrate the platform into their existing PostgreSQL environments.</p>
<p>We welcome feedback from engineers, technical founders, and organizations looking for a more coordinated approach to database security.</p>
<p>Agata Proxima — PostgreSQL Security, Tenant Isolation &amp; Data Protection.</p>
<p>Protect the boundary. Verify the access. Preserve the evidence.</p>
]]></content:encoded></item><item><title><![CDATA[Your PostgreSQL Database Can Be Secure — But Are Your SaaS Tenants Really Protected?]]></title><description><![CDATA[Your PostgreSQL Database Can Be Secure — and Your SaaS Tenants Can Still Be at Risk Building a multi-tenant SaaS application introduces a security…]]></description><link>https://httpsagataproximacom.hashnode.dev/your-postgresql-database-can-be-secure-but-are-your-saas-tenants-really-protected</link><guid isPermaLink="true">https://httpsagataproximacom.hashnode.dev/your-postgresql-database-can-be-secure-but-are-your-saas-tenants-really-protected</guid><category><![CDATA[Developer]]></category><category><![CDATA[ceo]]></category><category><![CDATA[cto]]></category><category><![CDATA[Rust]]></category><category><![CDATA[database]]></category><category><![CDATA[Open Source]]></category><category><![CDATA[PostgreSQL]]></category><dc:creator><![CDATA[Anthony Emmanuella Mmasinachi]]></dc:creator><pubDate>Sun, 25 Oct 2026 12:52:04 GMT</pubDate><content:encoded><![CDATA[<p>Your PostgreSQL Database Can Be Secure — and Your SaaS Tenants Can Still Be at Risk</p>
<p>Building a multi-tenant SaaS application introduces a security challenge that deserves serious attention.</p>
<p>How do you ensure that one customer's data never becomes accessible to another customer?</p>
<p>PostgreSQL provides powerful security capabilities, including roles, permissions, and Row-Level Security (RLS).</p>
<p>But application-level mistakes, missing tenant filters, and incorrectly configured access policies can still create dangerous security gaps.</p>
<p>And in multi-tenant systems, one mistake can affect more than one customer.</p>
<p>The Problem With Relying on a Single Security Layer</p>
<p>Consider an application serving hundreds of organizations from a shared PostgreSQL database.</p>
<p>Every database operation needs to respect the correct tenant boundary.</p>
<p>Developers can implement these boundaries through application authorization and PostgreSQL security policies.</p>
<p>But what happens when an application sends a query with incorrect tenant context?</p>
<p>Or when security controls become inconsistent across multiple services?</p>
<p>This is where defense in depth becomes important.</p>
<p>Introducing Agata Proxima</p>
<p>Agata Proxima is a PostgreSQL security platform built around an open-source Rust proxy engine.</p>
<p>The idea is to introduce an additional security enforcement layer between applications and their existing PostgreSQL databases.</p>
<p>The architecture looks like this:</p>
<p>Application</p>
<p>|</p>
<p>v</p>
<p>Agata Proxima Proxy</p>
<p>(Rust Engine)</p>
<p>|</p>
<p>v</p>
<p>PostgreSQL</p>
<p>Rather than replacing PostgreSQL, Agata Proxima is designed to complement existing database security controls.</p>
<p>Why Build a Security Proxy in Rust?</p>
<p>A database proxy operates in a sensitive part of an application's infrastructure.</p>
<p>It needs to handle connections reliably while minimizing unnecessary overhead.</p>
<p>Rust provides memory safety without garbage collection, strong concurrency primitives, and performance characteristics suited to systems programming.</p>
<p>These properties make it an attractive choice for building database infrastructure.</p>
<p>Of course, the actual performance and security of any proxy must be established through testing and careful review.</p>
<p>Beyond the Proxy</p>
<p>The broader Agata Proxima platform includes capabilities for tenant management, security policies, access verification, monitoring, audit records, and security attestations.</p>
<p>The goal is to make database security controls easier to manage, observe, and verify across applications.</p>
<p>The Rust engine is open source, so developers can inspect its implementation and explore its architecture.</p>
<p>Explore Agata Proxima</p>
<p>Official website: <a href="https://agataproxima.com">https://agataproxima.com</a></p>
<p>Open-source Rust engine: <a href="https://github.com/Agata-Proxima/proxima-engine">https://github.com/Agata-Proxima/proxima-engine</a></p>
<p>Let's Talk About PostgreSQL Security</p>
<p>I'm interested in hearing from engineers building multi-tenant systems.</p>
<p>Would you introduce a security proxy between your application and PostgreSQL?</p>
<p>What would matter most to you before adopting it — performance, compatibility, security guarantees, deployment complexity, or operational reliability?</p>
<p>I'd love to hear your perspective.</p>
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