Ransomware & Extortion
McKesson Breach: How the Okta Vishing Attack Happened
An Okta vishing attack — a phone call, not a piece of malware — is how the extortion group ShinyHunters claims it broke into US healthcare and pharmaceutical distribution giant McKesson. McKesson has confirmed unauthorized access to third-party applications and data exfiltration, but has not confirmed the attack path itself: according to ShinyHunters’ own account,…
Read MoreBerlin Ransomware Attack: State Refuses to Pay
A Berlin ransomware attack has put Germany’s capital in the position every public-sector CISO dreads: a confirmed data breach, a seven-figure ransom demand, and an election three weeks away. The ransomware group Rhysida claims it stole 5.79 terabytes from Berlin’s state administrative network and is demanding 30 Bitcoin, roughly €2.05 million, with a seven-day auction…
Read MoreMedusa Ransomware 500 Victims — What the CISA Advisory Means
Medusa ransomware 500 victims is now the official U.S. federal tally: CISA, the FBI and the Department of Health and Human Services updated their joint advisory on August 18, 2026, confirming the ransomware-as-a-service group has breached more than 500 U.S. critical infrastructure organizations since June 2021 — up from the 300-plus figure in their original…
Read MorePTC Windchill CVE-2026-12569 Extortion Hits Shell, Philips
The PTC Windchill CVE-2026-12569 extortion campaign run by the Clop ransomware group went fully public on August 12–13, when Clop named Shell, Philips, General Electric, Fiserv and roughly 45 other organizations on its leak site as victims of a data-theft operation running through the same PTC Windchill/FlexPLM flaw DIESEC has already covered twice this year.…
Read MoreMicrosoft Teams Vishing Ransomware Hits in 17 Hours
A Microsoft Teams vishing ransomware campaign has hit dozens of North American organizations since February 2026, using two-minute fake IT-helpdesk phone calls to gain a foothold that, in the fastest confirmed case, ended in full Chaos ransomware encryption within 17 hours of first contact. What Happened Security vendor Sophos tracked the campaign to a financially…
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