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Microsoft disrupts ransomware attacks targeting Teams users
Microsoft has disrupted a wave of Rhysida ransomware attacks in early October by revoking over 200 certificates used to sign malicious Teams installers.
- October 16, 2025
- 12:58 PM
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Rhysida ransomware behind recent attacks on healthcare
The Rhysida ransomware as a service (RaaS) operation that emerged in May 2023 is gradually leaving the period of obscurity behind, as a recent wave of attacks on healthcare organizations has forced government agencies and cybersecurity companies to pay closer attention to its operations.
- August 09, 2023
- 02:31 PM
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New Webinar: Choose Your Own Investigation — Browser Attack Edition
Modern attacks have shifted focus to the browser, yet detection tools remain largely blind to the crucial activity happening there.
Join Push Security on February 11th for an interactive "choose-your-own-adventure" webinar on ClickFix, credential phishing, and other in-browser attacks we've observed in the wild.
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The Week in Ransomware - April 14th 2023 - A Focus on Stolen Data
It has been mostly a quiet week regarding ransomware, with only a few bits of info released on older attacks and some reports released on existing organizations.
- April 14, 2023
- 06:35 PM
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Vice Society ransomware uses new PowerShell data theft tool in attacks
The Vice Society ransomware gang is deploying a new, rather sophisticated PowerShell script to automate data theft from compromised networks.
- April 14, 2023
- 03:46 PM
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The Week in Ransomware - January 20th 2023 - Targeting Crypto Exchanges
There has been quite a bit of ransomware news this week, with crypto exchanges being seized for alleged money laundering and researchers providing fascinating reports on the behavior of ransomware operators.
- January 20, 2023
- 05:08 PM
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LAUSD says Vice Society ransomware gang stole contractors’ SSNs
Los Angeles Unified School District (LAUSD), the second-largest school district in the United States, says the Vice Society ransomware gang has stolen files containing contractors' personal information, including Social Security Numbers (SSNs).
- January 20, 2023
- 12:02 PM
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Vice Society ransomware leaks University of Duisburg-Essen’s data
The Vice Society ransomware gang has claimed responsibility for the November 2022 cyberattack that forced the University of Duisburg-Essen (UDE) to reconstruct its IT infrastructure, a process that's still ongoing.
- January 16, 2023
- 02:22 PM
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Vice Society ransomware claims attack on Australian firefighting service
Australia's Fire Rescue Victoria has disclosed a data breach caused by a December cyberattack that is now claimed by the Vice Society ransomware gang.
- January 12, 2023
- 11:31 AM
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Vice Society ransomware gang switches to new custom encryptor
The Vice Society ransomware operation has switched to using a custom ransomware encrypt that implements a strong, hybrid encryption scheme based on NTRUEncrypt and ChaCha20-Poly1305.
- December 22, 2022
- 12:25 PM
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The Week in Ransomware - December 9th 2022 - Wide Impact
This week has been filled with research reports and news of significant attacks having a wide impact on many organizations.
- December 09, 2022
- 07:02 PM
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Vice Society ransomware claims attack on Cincinnati State college
The Vice Society ransomware operation has claimed responsibility for a cyberattack on Cincinnati State Technical and Community College, with the threat actors now leaking data allegedly stolen during the attack.
- November 25, 2022
- 12:18 PM
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The Week in Ransomware - October 28th 2022 - Healthcare leaks
This week, we learned of healthcare data leaks out of Australia, information about existing attacks, and reports on how ransomware gangs operate and partner with malware developers for initial access.
- October 28, 2022
- 04:08 PM
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Microsoft: Vice Society targets schools with multiple ransomware families
A threat group known as Vice Society has been switching ransomware payloads in attacks targeting the education sector across the United States and worldwide.
- October 25, 2022
- 02:07 PM
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Ransomware gang leaks data stolen from LAUSD school system
The Vice Society Ransomware gang published data and documents Sunday morning that were stolen from the Los Angeles Unified School District during a cyberattack earlier this month.
- October 02, 2022
- 05:51 PM
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The Week in Ransomware - September 9th 2022 - Schools under fire
Ransomware gangs have been busy this week, launching attacks against NAS devices, one of the largest hotel groups, IHG, and LAUSD, the second largest school district in the USA.
- September 09, 2022
- 04:14 PM
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Vice Society claims LAUSD ransomware attack, theft of 500GB of data
The Vice Society gang has claimed the ransomware attack that hit Los Angeles Unified (LAUSD), the second largest school district in the United States, over the weekend.
- September 09, 2022
- 10:49 AM
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FBI warns of Vice Society ransomware attacks on school districts
FBI, CISA, and MS-ISAC warned today of U.S. school districts being increasingly targeted by the Vice Society ransomware group, with more attacks expected after the new school year start.
- September 06, 2022
- 02:37 PM
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Vice Society claims ransomware attack on Med. University of Innsbruck
The Vice Society ransomware gang has claimed responsibility for last week's cyberattack against the Medical University of Innsbruck, which caused severe IT service disruption and the alleged theft of data.
- June 27, 2022
- 12:31 PM
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Vice Society ransomware claims attack on Italian city of Palermo
The Vice Society ransomware group has claimed responsibility for the recent cyber attack on the city of Palermo in Italy, which has caused a large-scale service outage.
- June 09, 2022
- 11:43 AM
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United Health Centers ransomware attack claimed by Vice Society
California-based United Health Centers suffered a ransomware attack that reportedly disrupted all of their locations and resulted in patient data theft.
- September 24, 2021
- 05:10 PM
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