BlackCat is a ransomware family covered through reported incidents, technical analysis, disruption efforts, and defensive guidance for security teams.
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Background for this topic.
BlackCat is a ransomware family known for its advanced encryption and modular design, enabling customization by operators. It targets enterprise environments by encrypting files and demanding cryptocurrency payments for decryption keys. BlackCat’s code supports multiple encryption algorithms and can adapt to different network architectures, increasing its effectiveness and evasion capabilities.
Security teams should monitor for signs of BlackCat’s multi-stage attacks, which often include credential compromise, lateral movement, and data exfiltration before encryption. Defenses that limit privilege escalation, enforce network segmentation, and detect unusual file access or encryption activity are critical. Understanding BlackCat’s tactics helps prioritize threat hunting and incident response efforts focused on preventing or mitigating ransomware impact in complex enterprise networks.
Weekly headline count for the current query.
A former employee of cybersecurity incident response company DigitalMint was sentenced to 70 months in prison for targeting U.S. companies in BlackCat (ALPHV) ransomware attacks. [...]
Two former employees of cybersecurity incident response companies Sygnia and DigitalMint were sentenced to four years in prison each for targeting U.S. companies in BlackCat (ALPHV) ransomware attacks. [...]
41-year-old Angelo Martino, a former employee of cybersecurity incident response company DigitalMint, has pleaded guilty to targeting U.S. companies in BlackCat (ALPHV) ransomware attacks in 2023. [...]
The U.S. Department of Justice charged another former DigitalMint employee for his involvement in an insider scheme in which ransomware negotiators secretly partnered with the BlackCat (ALPHV) ransomware operation. [...]
Two former employees of cybersecurity incident response companies Sygnia and DigitalMint have pleaded guilty to targeting U.S. companies in BlackCat (ALPHV) ransomware attacks in 2023. [...]
A new report by the Financial Crimes Enforcement Network (FinCEN) shows that ransomware activity peaked in 2023 before falling in 2024, following a series of law enforcement actions targeting the ALPHV/BlackCat and LockBit ransomware gangs. [...]
Three former employees of cybersecurity incident response companies DigitalMint and Sygnia have been indicted for allegedly hacking the networks of five U.S. companies in BlackCat (ALPHV) ransomware attacks between May 2023 and November 2023. [...]
Henry Schein has finally disclosed a data breach following at least two back-to-back cyberattacks in 2023 by the BlackCat Ransomware gang, revealing that over 160,000 people had their personal information stolen. [...]
UnitedHealth confirms that Change Healthcare's network was breached by the BlackCat ransomware gang, who used stolen credentials to log into the company's Citrix remote access service, which did not have multi-factor authentication enabled. [...]
While ransomware attacks decreased after the LockBit and BlackCat disruptions, they have once again started to ramp up with other operations filling the void. [...]
We saw another ransomware operation shut down this week after first getting breached by law enforcement and then targeting critical infrastructure, putting them further in the spotlight of the US government. [...]
Optum's Change Healthcare has started to bring systems back online after suffering a crippling BlackCat ransomware attack last month that led to widespread disruption to the US healthcare system. [...]
The BlackCat ransomware gang is pulling an exit scam, trying to shut down and run off with affiliates' money by pretending the FBI seized their site and infrastructure. [...]
The ALPHV/BlackCat ransomware gang has shut down its servers amid claims that they scammed the affiliate responsible for the attack on Optum, the operator of the Change Healthcare platform, of $22 million. [...]
The BlackCat/ALPHV ransomware gang has officially claimed responsibility for a cyberattack on Optum, a subsidiary of UnitedHealth Group (UHG), which led to an ongoing outage affecting the Change Healthcare platform. [...]
Today, the FBI, CISA, and the Department of Health and Human Services (HHS) warned U.S. healthcare organizations of targeted ALPHV/Blackcat ransomware attacks. [...]
A cyberattack on UnitedHealth Group subsidiary Optum that led to an ongoing outage impacting the Change Healthcare payment exchange platform was linked to the BlackCat ransomware group by sources familiar with the investigation. [...]
The ALPHV/Blackcat ransomware gang has claimed responsibility for the recent network breaches of Fortune 500 company Prudential Financial and mortgage lender loanDepot. [...]
The U.S. State Department is offering rewards of up to $10 million for information that could lead to the identification or location of ALPHV/Blackcat ransomware gang leaders. [...]
Trans-Northern Pipelines (TNPI) has confirmed its internal network was breached in November 2023 and that it's now investigating claims of data theft made by the ALPHV/BlackCat ransomware gang. [...]