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Category — Malware
Speagle Malware Hijacks Cobra DocGuard to Steal Data via Compromised Servers

Speagle Malware Hijacks Cobra DocGuard to Steal Data via Compromised Servers

Mar 19, 2026 Cyber Espionage / Threat Intelligence
Cybersecurity researchers have flagged a new malware dubbed Speagle that hijacks the functionality and infrastructure of a legitimate program called Cobra DocGuard. "Speagle is designed to surreptitiously harvest sensitive information from infected computers and transmit it to a Cobra DocGuard server that has been compromised by the attackers, masking the data exfiltration process as legitimate communications between client and server," Symantec and Carbon Black researchers said in a report published today. Cobra DocGuard is a document security and encryption platform developed by EsafeNet. The abuse of this software in real-world attacks has been publicly recorded twice to date. In January 2023, ESET documented an intrusion where a gambling company in Hong Kong was compromised in September 2022 via a malicious update pushed by the software. Later that August, Symantec highlighted the activity of a new threat cluster codenamed Carderbee, which was found using a trojan...
54 EDR Killers Use BYOVD to Exploit 34 Signed Vulnerable Drivers and Disable Security

54 EDR Killers Use BYOVD to Exploit 34 Signed Vulnerable Drivers and Disable Security

Mar 19, 2026 Threat Detection / Endpoint Security
A new analysis of endpoint detection and response (EDR) killers has revealed that 54 of them leverage a technique known as bring your own vulnerable driver ( BYOVD ) by abusing a total of 34 vulnerable drivers. EDR killer programs have been a common presence in ransomware intrusions as they offer a way for affiliates to neutralize security software before deploying file-encrypting malware. This is done so in an attempt to evade detection. "Ransomware gangs, especially those with ransomware-as-a-service (RaaS) programs, frequently produce new builds of their encryptors, and ensuring that each new build is reliably undetected can be time-consuming," ESET researcher Jakub Souček said in a report shared with The Hacker News. "More importantly, encryptors are inherently very noisy (as they inherently need to modify a large number of files in a short period); making such malware undetected is rather challenging." EDR killers act as a specialized, external component...
ThreatsDay Bulletin: FortiGate RaaS, Citrix Exploits, MCP Abuse, LiveChat Phish & More

ThreatsDay Bulletin: FortiGate RaaS, Citrix Exploits, MCP Abuse, LiveChat Phish & More

Mar 19, 2026 Cybersecurity / Hacking News
ThreatsDay Bulletin is back on The Hacker News, and this week feels off in a familiar way. Nothing loud, nothing breaking everything at once. Just a lot of small things that shouldn’t work anymore but still do. Some of it looks simple, almost sloppy, until you see how well it lands. Other bits feel a little too practical, like they’re already closer to real-world use than anyone wants to admit. And the background noise is getting louder again, the kind people usually ignore. A few stories are clever in a bad way. Others are just frustratingly avoidable. Overall, it feels like quiet pressure is building in places that matter. Skim it or read it properly, but don’t skip this one. Emerging RaaS exploiting FortiGate flaws The Gentlemen RaaS Detailed Group-IB has shed light on the various tactics adopted by The Gentlemen, a nascent Ransomware-as-a-Service (RaaS) operation that consists of about 20 members. It originated f...
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5 Cloud Security Risks You Can’t Afford to Ignore

websiteSentinelOneEnterprise Security / Cloud Security
Get expert analysis, attacker insights, and case studies in our 2025 risk report.
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Early Bird Pricing Ends March 24 – Don’t Miss Out

websiteSANS InstituteCybersecurity / Training
Get discounted course rates at SANS Security Central 2026 in May.
New Perseus Android Banking Malware Monitors Notes Apps to Extract Sensitive Data

New Perseus Android Banking Malware Monitors Notes Apps to Extract Sensitive Data

Mar 19, 2026 Malware / Mobile Security
Cybersecurity researchers have disclosed a new Android malware family called Perseus that's being actively distributed in the wild with an aim to conduct device takeover (DTO) and financial fraud. Perseus is built upon the foundations of Cerberus and Phoenix, at the same time evolving into a "more flexible and capable platform" for compromising Android devices through dropper apps distributed via phishing sites. "Through Accessibility-based remote sessions, the malware enables real-time monitoring and precise interaction with infected devices, allowing full device takeover and targeting various regions, with a strong focus on Turkey and Italy," ThreatFabric said in a report shared with The Hacker News. "Beyond traditional credential theft, Perseus monitors user notes, indicating a focus on extracting high-value personal or financial information." Cerberus was first documented by the Dutch mobile security company in August 2019, highlighting th...
DarkSword iOS Exploit Kit Uses 6 Flaws, 3 Zero-Days for Full Device Takeover

DarkSword iOS Exploit Kit Uses 6 Flaws, 3 Zero-Days for Full Device Takeover

Mar 19, 2026 Vulnerability / Cyber Espionage
A new exploit kit for Apple iOS devices designed to steal sensitive data from is being wielded by multiple threat actors since at least November 2025, according to reports from Google Threat Intelligence Group (GTIG), iVerify , and Lookout . According to GTIG, multiple commercial surveillance vendors and suspected state-sponsored actors have utilized the full-chain exploit kit, codenamed DarkSword , in distinct campaigns targeting Saudi Arabia, Turkey, Malaysia, and Ukraine.  The discovery of DarkSword makes it the second iOS exploit kit, after Coruna , to be discovered within the span of a month. The kit is designed to target iPhones running iOS versions between iOS 18.4 and 18.7, and is said to have been deployed by a suspected Russian espionage group named UNC6353 in attacks targeting Ukrainian users. It's worth noting that UNC6353 has also been linked to the use of the Coruna in attacks aimed at Ukrainians by injecting the JavaScript framework into compromised websites. ...
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