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The best Data Security newsletters

4 newsletters, ranked by editorial quality and how recently they published. Looking for something more specific? Search instead.

badsecurity.ca· irregular· Published 1 months ago

Claudiu Popa, a security professional, writes opinionated commentary on cybersecurity risks such as AI plugin permissions, poor password and support UX, and Big Tech accountability. Readers get a critical, security-minded perspective with concrete examples and a clear point of view.

ai plugins riskchatgpt securitypassword policycustomer support uxpalantirsecurity theatre
blog.ziggiz.ai· weekly· Published 15 days ago

A security-focused blog arguing that AI agents and assistants expand insider risk and create visibility gaps in the data layer. It draws on forensic experience to propose practical frameworks such as discovery, monitoring and audit of AI activity.

ai visibilityinsider threatai agentsdata engineeringaudit loggingforensics
blog.pulze.ai· irregular· Inactive for over a year

This is the product blog of Pulze.ai, an AI workspace platform, announcing new model availability such as OpenAI o3-mini and DeepSeek-R1 and its SOC 2 compliance. Readers get promotional feature lists and how-to steps for using these models inside Pulze.

pulze.aio3-minideepseek-r1soc 2 compliancellm platformai workspace
blog.transferchain.io· irregular· Published 10 days ago

This is the quarterly product-update newsletter of TransferChain, a secure file transfer and privacy platform. Each issue lists the feature releases, admin panel changes and developer tools shipped in a given quarter, written as corporate release notes.

transferchainsecure file transferproduct updatesadmin paneldata roomspassword manager