ISC Stormcast For Tuesday, May 26th, 2026 https://isc.sans.edu/podcastdetail/9944, (Tue, May 26th)

2026-05-26T13:23:48Zb52e225d32279516ce428a726e4b155a84dc704e4c2645e05b852c7a6bff028e
ACR-stealerClaude-impersonationGitHub-compromiseLinuxMicrosoftMicrosoft-AccessProxifierPython-SDKTeamPCPVBAWireshark-4.6.6nodejsnpmred-teamselective-proxystack-stringstealersupply-chaintrojanized-sdkvulnerability

What happened

SANS ISC diary entries (May 21–26, 2026) covering multiple security-relevant developments: an escalating TeamPCP supply-chain campaign that now operates across three package ecosystems, trojanized an officially Microsoft-published Python SDK, and reached GitHub internal code; discovery of a cross-platform Node.js/NPM stealer (SHA256 049300aa5dd774d6c984779a0570f59610399c71864b5d5c2605906db46ddeb9); a possible ACR stealer distributed via a page impersonating Anthropic’s Claude; notification of Wireshark 4.6.6 (fixes one vulnerability and 11 bugs); notes on Microsoft Access files containing VBA,

Why it matters

A reviewed impact interpretation has not been published for this record.

Evidence and limitations

Source ID
sans_isc_diary
Record identifier
b52e225d32279516ce428a726e4b155a84dc704e4c2645e05b852c7a6bff028e
Enrichment time
2026-05-26T13:23:48Z
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.

Record · ISC Stormcast For Tuesday, May 26th, 2026 https://isc.sans.edu/podcastdetail/9944, (Tue, May 26th) · Baitaphish