Discord-Linked Group Accessed Anthropic’s Claude Mythos AI in Vendor Breach
2026-04-22T20:51:43Z•20f3e6eb1a04206669947824466fe00f0bfa9ae1c966c29f6449736297778067
313 TeamAI model accessAPTAnthropicAzureClaude MythosDDoSDLL sideloadingDiscordGrinexIndiaIran-linkedLOTUSLITEMicrosoftMustang PandaOfficeSouth KoreaVercel','Context.ai','data leakcloud securitycritical flawscrypto exchange breachsupply chainthird-party breachvendor breachvulnerabilities
What happened
Multiple security incidents and trends reported: Anthropic is investigating a vendor breach after a Discord-linked group accessed its Claude Mythos AI model (no evidence yet of core-system impact). Acronis details Mustang Panda using an updated LOTUSLITE DLL-sideloading backdoor to target Indian banks and Korean diplomats. Bluesky suffered a ~24-hour DDoS claimed by Iran-linked 313 Team with no data breach reported. A BeyondTrust report warns Microsoft vulnerabilities fell in number but critical flaws doubled across Office, Azure and cloud services. Other notable items include the collapse of
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- hackread
- Record identifier
- 20f3e6eb1a04206669947824466fe00f0bfa9ae1c966c29f6449736297778067
- Enrichment time
- 2026-04-22T20:51:43Z
- AI-assisted enrichment
- Yes
This record may overlap with other records. Its enrichment can be incomplete or wrong, and machine assistance was used. Validate consequential decisions against the linked source and your own environment.