Ragnar Locker ransomware group released 361 gigabytes of what appears to be confidential data belonging to Greek national natural gas operator DESFA. The threat group says the alleged victim did not negotiate with it. The company confirmed a cyberattack and said it would not pay the ransom.
A Texas-based hospital is apparently still contending with pressure to pay an extortion group that claims to have stolen patient data months ago, while a French medical center responds to a weekend attack and demands to pay a $10 million ransom.
Accenture analyzed the top 20 most active ransomware leak sites to see how threat actors are posting sensitive corporate information and making the data easy to search and exploit. Accenture's Robert Boyce explains how cybercriminals are weaponizing stolen ransomware data for follow-up attacks.
Ransomware karma: The notorious LockBit 3.0 ransomware gang's site has been disrupted via a days-long distributed-denial-of-service attack, with administrator LockBitSupp reporting that it appears to be retribution for the gang leaking files stolen from a recent victim: security firm Entrust.
Expel is out with its latest quarterly threat report, which reveals that Identity-based attacks now account for 56% of incidents identified by Expel's SOC. Jon Hencinski shares highlights from the report and how to respond to BEC, ransomware and attackers who have found ways to defeat MFA.
Calling all Apple users: It's time to once again patch your devices to protect them against two zero-day vulnerabilities that attackers are actively exploiting in the wild to take complete control of devices. While there's no need to panic, security experts advise moving quickly.
Denis Mihaqlovic Dubnikov, 29, allegedly participated in a conspiracy to launder money obtained through Ryuk ransomware. Operators behind the malware mounted one of the largest cyberattacks against the healthcare sector in a fall 2021 ransomware spree.
As the Russia-Ukraine war continues, Ukrainian government cybersecurity official Victor Zhora says that the country's computer emergency response team has tracked more than 1,600 online attacks and that defensively, "wipers continue to be the biggest challenge."
The latest edition of the ISMG Security Report discusses how ransomware groups continue to refine their shakedown tactics and monetization models, highlights from this year's Black Hat conference and why helping those below the "InfoSec poverty line" matters to businesses.
The costs of hacks are rising, the amount of ransomware is rising, and the number of organizations that have been breached will also rise unless organizations take action.
When security practitioners lose their initial enthusiam for hunting cyberthreats, their companies begin to fail at cybersecurity, says CISO Marco Túlio Moraes. He discusses how collaborating with the business lines and moving from awareness to education all around can help fix this problem.
The Cl0p ransomware group has been attempting to extort Thames Water, a public utility in England. Just one problem: the group attacked an entirely different water provider. Through ineptitude or outright lying, this isn't the first time that a ransomware group has claimed the wrong victim.
ENISA’s new "Threat Landscape for Ransomware Attacks" report analyzes 623 ransomware incidents in the EU, U.K. and U.S. from 2021 to 2022. ENISA cybersecurity officer Ifigeneia Lella shares how attacks have evolved and how 95% of reported incidents lack key data about how the breaches occurred.
Ransomware-wielding attackers continue to seek new ways to maximize profits with minimal effort. Top tactics spotted recently by experts include continuing to partner with initial access brokers and botnet operators and testing new monetization models, such as "mediation as a service."
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