ISC Stormcast For Thursday, May 28th, 2026 https://isc.sans.edu/podcastdetail/9948, (Thu, May 28th)
2026-05-28T07:23:46Z•bc56851ddc10dbb00e1de54db6e636f654994a41529d38cc9ced5105826c9760
ACRAkiraGitHubMicrosoft-AccessTeamPCPVBAWiresharkcredential-stealerfirewall-logsforensicsphishingpython-sdkransomwaresupply-chaintrojanized-packagevulnerabilitywindows-event-logs
What happened
SANS ISC diary roundup (May 23–28, 2026) covering multiple security items: 1) Analysis guidance for reconstructing an Akira ransomware kill chain — emphasizes joining perimeter firewall logs with Windows event logs to determine initial access, lateral movement, and time-to-domain-admin before encryption. 2) TeamPCP supply-chain campaign activity through 2026-05-24 — actor trojanized a Microsoft-published Python SDK, expanded across three package ecosystems, and published tooling on GitHub (high-impact software supply-chain compromise). 3) Possible ACR credential stealer impersonating Claude —
Why it matters
A reviewed impact interpretation has not been published for this record.
Evidence and limitations
- Source ID
- sans_isc_diary
- Record identifier
- bc56851ddc10dbb00e1de54db6e636f654994a41529d38cc9ced5105826c9760
- Enrichment time
- 2026-05-28T07:23:46Z
- AI-assisted enrichment
- Yes
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