Smashing Security podcast #463: This AI company leaked its own code. It’s also built something terrifying

Graham Cluley @ 12:24 am, April 16, 2026  @grahamcluley.com  / grahamcluley A hacking group claims to have broken into the flood defence system protecting Venice’s Piazza San Marco – and is offering to sell access to whoever wants it. The asking price? A frankly insulting $600. Meanwhile, Anthropic accidentally leaked the source code for Claude Code via a basic packaging mistake. Oh, and by the way, they’ve also just revealed they’ve built an AI model called Mythos that can find and chain together software vulnerabilities faster than any human. Sleep well. All this and more in episode 463 of the “Smashing Security” podcast with cybersecurity expert and keynote speaker Graham Cluley, joined this week by special guest Tanya Janca. Smashing Security #463 This AI company leaked its own code. It's also built something terrifying ↺ 15 ↻ 30 0:00 0:00 0:00 0:00 1× Show full transcript ▼ Host: Graham Cluley:  @grahamcluley.com  @gcluley@mastodon.green  / grahamcluley Guest: Tanya Janca:  @shehackspurple.bsky.social‬  / tanya-janca Episode links: Booking.com warns customers of hack that exposed their data – The Guardian. GTA-maker Rockstar Games hacked again but downplays impact – BBC News. Meta removes ads for social media addiction litigation – Axios. Hackers claim control over Venice San Marco anti-flood pumps – Security Affairs. Venezia, attacco hacker al sistema di pompe che difende piazza San Marco dall’acqua: «Abbiamo i codici, possiamo disattivarlo» – Corriere del Veneto.  Digging into the Claude Code source – Dave Schumaker’s write-up of Anthropic leaking data in February 2025. Anthropic goes nude, exposes Claude Code source by accident – The Register. Assessing Claude Mythos Preview’s cybersecurity capabilities – Anthropic. Smashing Security transcripts! Shrinking – Apple TV. Smashing Security merchandise (t-shirts, mugs, stickers and stuff) Sponsored by: Meter – Network infrastructure for the enterprise. Get a free personalised demo. Vanta – Expand the scope of your security program with market-leading compliance automation… while saving time and money. Smashing Security listeners get $1000 off! Coreview – Download “Total Tenant Takeover”, a white paper about the Microsoft 365 Disaster No One Is Ready For. Support the show: You can help the podcast by telling your friends and colleagues about “Smashing Security”, and leaving us a review on Apple Podcasts or Podchaser. Join Smashing Security PLUS for ad-free episodes and our early-release feed! Follow us: Follow the show on Bluesky, or join us on the Smashing Security subreddit, or visit our website for more episodes. Thanks: Theme tune: “Vinyl Memories” by Mikael Manvelyan. Assorted sound effects: AudioBlocks. Found this article interesting? Follow Graham Cluley on LinkedIn, Bluesky, or Mastodon to read more of the exclusive content we post. AI Data loss Podcast Security threats Vulnerability #AI #Anthropic #artificial intelligence #data leak #floods #Italy #Podcast #Smashing Security #Venice #vulnerability Graham Cluley Graham Cluley is an award-winning keynote speaker who has given presentations around the world about cybersecurity, hackers, and online privacy. A veteran of the computer security industry since the early 1990s, he wrote the first ever version of Dr Solomon's Anti-Virus Toolkit for Windows, makes regular media appearances, and hosts the popular "Smashing Security" podcast. Follow him on TikTok, LinkedIn, Bluesky and Mastodon, or drop him an email.