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.
The enterprise-targeting Bumblebee malware is distributed through Google Ads and SEO poisoning that promote popular software like Zoom, Cisco AnyConnect, ChatGPT, and Citrix Workspace. [...]
A lot of news broke this week related to ransomware, with the discovery of LockBit testing macOS encryptors to an outage on NCR, causing massive headaches for restaurants. [...]
Vulnerable MS-SQL database servers have external connections and weak account credentials, researchers warn.
Attackers are using custom malware to exploit drivers and terminate security processes so they can deploy ransomware.
Fortra, the company behind Cobalt Strike, shed light on a zero-day remote code execution (RCE) vulnerability in its GoAnywhere MFT tool that has come under active exploitation by ransomware actors to steal sensitive data
'Does have a somewhat Lapsus$ish feel' we're told The Medusa ransomware gang has posted what it claims is a massive leak of internal Microsoft materials, including Bing and Cortana source code.…
Attackers are hacking into poorly secured and Interned-exposed Microsoft SQL (MS-SQL) servers to deploy Trigona ransomware payloads and encrypt all files. [...]
Fortra has completed its investigation into the exploitation of CVE-2023-0669, a zero-day flaw in the GoAnywhere MFT solution that the Clop ransomware gang exploited to steal data from over a hundred companies. [...]
Threat actors use a new hacking tool dubbed AuKill to disable Endpoint Detection & Response (EDR) Software on targets' systems before deploying backdoors and ransomware in Bring Your Own Vulnerable Driver (BYOVD) attacks. [...]
The Play ransomware group has developed two custom tools in .NET, namely Grixba and VSS Copying Tool, which it uses to improve the effectiveness of its cyberattacks. [...]
March 2023 was the most prolific month recorded by cybersecurity analysts in recent years, measuring 459 attacks, an increase of 91% from the previous month and 62% compared to March 2022. [...]
In targeting Apple users, LockBit is going where no major ransomware gang has gone before. But it's a warning shot, and Mac users need not worry yet.
Threat actors behind the LockBit ransomware operation have developed new artifacts that can encrypt files on devices running Apple's macOS operating system
Discover the five main types of cyber crime groups: access as a service, ransomware as a service, bulletproof hosting, crowd sourcing, and phishing as a service as well as tips to strengthen your defense strategy.
This blog post analyzes a stealthy and expeditious ransomware called BabLock (aka Rorschach), which shares many characteristics with LockBit.
Members of the former ransomware group are using a FIN7 backdoor to deliver malware —including Cobalt Strike — to victim systems.
Please, no need to fix these bugs LockBit has developed ransomware that can encrypt files on Arm-powered Macs, said to be a first for the prolific cybercrime crew. …
Ex-Conti ransomware members have teamed up with the FIN7 threat actors to distribute a new malware family named 'Domino' in attacks on corporate networks. [...]
Thousands of restaurants impacted by what Aloha PoS parent company NCR says was a ransomware attack on one of its data centers.
The ransomware attack targeted one of its data centers in Hawaii and affected some PoS products