Four REvil Ransomware Group Members Sentenced to Prison in Russia

Four members of the REvil ransomware group, arrested in 2022, were last week sentenced to prison by a Russian court.

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Delta Sues Cybersecurity Firm CrowdStrike Over Tech Outage That Canceled Flights

Delta Air Lines has sued CrowdStrike, claiming the cybersecurity company had cut corners and caused a worldwide technology outage that led to thousands of canceled flight in July.

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Cyber Guru Raises $25 Million for Training Platform

Cybersecurity training provider Cyber Guru has raised $25 million in a Series B funding round led by Riverside Acceleration Capital.

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Filigran secures $35M for its ceybersecurity threat management suite

Paris-based startup Filigran is fast becoming the next cybersecurity rocketship to track: The company just raised a $35 million Series B round, only a few months after it raised $16 million in a Series A round. Filigran’s main product is OpenCTI, an open-source threat intelligence platform that lets companies or public sector organizations import threat […]

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Researchers Uncover OS Downgrade Vulnerability Targeting Microsoft Windows Kernel

A new attack technique could be used to bypass Microsoft’s Driver Signature Enforcement (DSE) on fully patched Windows systems, leading to operating system (OS) downgrade attacks.
“This bypass allows loading unsigned kernel drivers, enabling attackers to deploy custom rootkits that can neutralize security controls, hide processes and network activity, maintain stealth, and much more,” SafeBreach

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How (and why) federated learning enhances cybersecurity

Federated learning’s popularity is rapidly increasing because it addresses common development-related security concerns.Read More

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New Attack Lets Hackers Downgrade Windows to Exploit Patched Flaws

SafeBreach Labs unveils ‘Windows Downdate,’ a new attack method which compromises Windows 11 by downgrading system components, and…

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Four REvil Ransomware Members Sentenced in Rare Russian Cybercrime Convictions

Four members of the now-defunct REvil ransomware operation have been sentenced to several years in prison in Russia, marking one of the rare instances where cybercriminals from the country have been convicted of hacking and money laundering charges.
Russian news publication Kommersant reported that a court in St. Petersburg found Artem Zaets, Alexei Malozemov, Daniil Puzyrevsky, and Ruslan

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Notorious Hacker Group TeamTNT Launches New Cloud Attacks for Crypto Mining

The infamous cryptojacking group known as TeamTNT appears to be readying for a new large-scale campaign targeting cloud-native environments for mining cryptocurrencies and renting out breached servers to third-parties.
“The group is currently targeting exposed Docker daemons to deploy Sliver malware, a cyber worm, and cryptominers, using compromised servers and Docker Hub as the infrastructure

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CERT-UA Identifies Malicious RDP Files in Latest Attack on Ukrainian Entities

The Computer Emergency Response Team of Ukraine (CERT-UA) has detailed a new malicious email campaign targeting government agencies, enterprises, and military entities.
“The messages exploit the appeal of integrating popular services like Amazon or Microsoft and implementing a zero-trust architecture,” CERT-UA said. “These emails contain attachments in the form of Remote Desktop Protocol (‘.rdp’

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