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Tetiana Vashchenko

How Cyren Integrates with Microsoft Sentinel, CrowdStrike, and SentinelOne to Block Email Threats

Email security tools that only write alerts create work without resolution. The gap between a detected threat and an enforced block depends entirely on...

Data Classification at the Source: Why It Has to Come First in Enterprise Data Security

A file without a label is a file without a policy. Every downstream control, from access enforcement to retention to DLP, has to guess what it is...

What TacitRed Monitors on the External Attack Surface and How It Feeds Your SOC

Your organization's external attack surface produces signals that your internal tooling never sees. Compromised credentials, leaked secrets, dark-web...

How Cyren Catches Phishing Infrastructure Before the First Email Is Sent

Phishing campaigns have a staging period. Attackers register domains, configure mail servers, and test delivery before sending a single message to a real...

AI Agent Actions Run at Machine Speed. Policy Enforcement Has to Run Faster.

AI agents don't pause before they act. When an agent decides to query a database, write to a file, or call an external API, it executes immediately. If...

What vaikora-guard-mcp Actually Does at the Tool Call Level: A Technical Walkthrough

Intercepting an AI agent action before it executes requires sitting inline, not beside. vaikora-guard-mcp is an open-source, MIT-licensed Python proxy,...

Shipping Policy Enforcement as Open Source: Inside the Architecture of vaikora-guard-mcp

Publishing a security control as open source is a specific claim. It means anyone can read the enforcement logic, verify that policy decisions happen...

Five Data Security Controls That Break Down Without a Shared Classification Foundation

When a DLP tool, an access control system, and a retention policy all describe sensitive data differently, they enforce different things. The result is...

How TacitRed Turns External Threat Signals Into Enforcement Actions Before Attackers Move

The gap between when an attacker compromises a credential and when your security team acts on it is measured in days, sometimes weeks. TacitRed closes...