Microsoft
● Listed in the last 48hAbout the organisation
Revenue: $318B DATA SUMMARY: 8M~ records containing: significant PII, employee and customer contact information, authentication data, password hashes, portal identities, corporate account information, business leads, facilities management records, internal service tickets, and access permissions.
What the listing means
Microsoft appeared on the ExfilSquad leak site on 26 July 2026. Groups publish a victim once negotiations stall or as pressure during them, so a listing usually means data was already exfiltrated. This group has published 14 claims in the last 30 days and remains active.
Recommended actions
- Treat any unsolicited message referencing Microsoft as suspicious — leaked data gets weaponised for phishing within days.
- If you hold an account on microsoft.com, change that password now, update it anywhere you reused it, and enable two-factor authentication.
- Other Technology organisations should review this group's known TTPs and validate detection coverage against them.
- Watch for follow-on extortion: stolen data is often re-leaked or resold after the initial listing.
- A leak-site listing is a claim made by the attacker, not a confirmed breach — check the organisation's own disclosures before acting on it.
Leak-site evidence
Listing URL https://www.ransomware.live/id/TWljcm9zb2Z0QEV4ZmlsU3F1YWQ=