Ransomware encrypts or steals data to disrupt operations and extort victims, making backups, access controls, and incident response essential.
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Background for this topic.
Ransomware is malware used to deny access to systems or data, usually by encrypting files and demanding payment for decryption. Many operations also steal sensitive information and threaten to publish it, so an attack can create both an availability crisis and a privacy or disclosure risk. Initial access may involve phishing, stolen credentials, exposed remote services, or exploitation of unpatched vulnerabilities; attackers may then move through the network before deploying the payload.
Defenses should combine vulnerability management, phishing-resistant authentication where practical, endpoint and network monitoring, and backups that are isolated from routine administrator access and regularly tested for recovery. Organizations should also limit privileges and segment critical systems to reduce the blast radius. An incident requires rapid containment, preservation of forensic evidence, restoration from known-good backups, and assessment of notification, legal, and regulatory obligations. Threat intelligence can help identify relevant criminal infrastructure or tactics, but it does not replace sound access control, patching, detection, and recovery practices.
A cyberattack on Bridgestone Americas, one of the largest manufacturers of tires in the world, has been claimed by the LockBit ransomware gang. [...]
A cyberattack on Bridgestone Americas, one of the largest manufacturers of tires in the world, has been claimed by the LockBit ransomware gang. [...]
The U.S. Department of Justice announced that alleged REvil ransomware affiliate, Yaroslav Vasinskyi, was extradited to the United States last week to stand trial for the Kaseya cyberattack. [...]
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has updated the alert on Conti ransomware with indicators of compromise (IoCs) consisting of close to 100 domain names used in malicious operations. [...]
Security experts have spotted an interesting case of a suspected ransomware attack that employed custom-made tools typically used by APT (advanced persistent threat) groups. [...]
The Treasury Department's Financial Crimes Enforcement Network (FinCEN) warned U.S. financial institutions this week to keep an eye out for attempts to evade sanctions and US-imposed restrictions following Russia's invasion of Ukraine. [...]
The US Federal Bureau of Investigation (FBI) says the Ragnar Locker ransomware group has breached the networks of at least 52 organizations from multiple US critical infrastructure sectors. [...]
Romania's Rompetrol gas station network has been hit by a ransomware attack. Rompetrol, owned by KMG International announced today that it was battling a "complex cyberattack." BleepingComputer has learned that the Hive ransomware gang is behind this attack. [...]