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Schneier - Is “Satoshi Nakamoto” Really Adam Back?

The New York Times has a long article where the author lays out an impressive array of circumstantial evidence that the inventor of Bitcoin is the cypherpunk Adam Back. I don’t know. The article is convincing, but it’s written to be convincing. I can’t remember if I ever met Adam. I was a member of the Cypherpunks mailing list for a while, but I was never really an active participant. I spent more time on the Usenet newsgroup sci.crypt. I knew a bunch of the Cypherpunks, though, from various conferences around the world at the time. I really have no opinion about who Satoshi Nakamoto really is. from Schneier on Security https://www.schneier.com/blog/archives/2026/04/is-satoshi-nakamoto-really-adam-back.html
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The Hacker News - Anthropic MCP Design Vulnerability Enables RCE, Threatening AI Supply Chain

Cybersecurity researchers have discovered a critical "by design" weakness in the Model Context Protocol's (MCP) architecture that could pave the way for remote code execution and have a cascading effect on the artificial intelligence (AI) supply chain. "This flaw enables Arbitrary Command Execution (RCE) on any system running a vulnerable MCP implementation, granting attackers direct access to from The Hacker News https://thehackernews.com/2026/04/anthropic-mcp-design-vulnerability.html
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The Hacker News - Researchers Detect ZionSiphon Malware Targeting Israeli Water, Desalination OT Systems

Cybersecurity researchers have flagged a new malware called ZionSiphon that appears to be specifically designed to target Israeli water treatment and desalination systems. The malware has been codenamed ZionSiphon by Darktrace, highlighting its ability to set up persistence, tamper with local configuration files, and scan for operational technology (OT)-relevant services on the local subnet. from The Hacker News https://thehackernews.com/2026/04/researchers-detect-zionsiphon-malware.html
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The Hacker News - Vercel Breach Tied to Context AI Hack Exposes Limited Customer Credentials

Web infrastructure provider Vercel has disclosed a security breach that allows bad actors to gain unauthorized access to "certain" internal Vercel systems. The incident stemmed from the compromise of Context.ai, a third-party artificial intelligence (AI) tool, that was used by an employee at the company. "The attacker used that access to take over the employee's Vercel Google Workspace account, from The Hacker News https://thehackernews.com/2026/04/vercel-breach-tied-to-context-ai-hack.html
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Schneier - Friday Squid Blogging: New Giant Squid Video

Pretty fantastic video from Japan of a giant squid eating another squid. As usual, you can also use this squid post to talk about the security stories in the news that I haven’t covered. Blog moderation policy. from Schneier on Security https://www.schneier.com/blog/archives/2026/04/friday-squid-blogging-new-giant-squid-video-2.html
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The Hacker News - Three Microsoft Defender Zero-Days Actively Exploited; Two Still Unpatched

Huntress is warning that threat actors are exploiting three recently disclosed security flaws in Microsoft Defender to gain elevated privileges in compromised systems. The activity involves the exploitation of three vulnerabilities that are codenamed BlueHammer (requires GitHub sign-in), RedSun, and UnDefend, all of which were released as zero-days by a researcher known as Chaotic Eclipse ( from The Hacker News https://thehackernews.com/2026/04/three-microsoft-defender-zero-days.html
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KnowBe4 - Identity at the Edge: How the Sixth Annual Identity Management Day Highlights the New Frontiers of Trust

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Each year, Identity Management Day (IMD) serves as a global reminder that managing digital identities is more than a technical requirement; it is a cornerstone of modern trust. Now in its sixth year, IMD continues to emphasize how identity itself is evolving, stretching beyond human users to encompass machines, automated agents, and even AI-generated personas. from Human Risk Management Blog https://blog.knowbe4.com/identity-at-the-edge-how-the-sixth-annual-identity-management-day-highlights-the-new-frontiers-of-trust
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