Cyber Defense Advisors

Year: 2025

New MassJacker Malware Targets Piracy Users, Hijacking Cryptocurrency Transactions

Users searching for pirated software are the target of a new malware campaign that delivers a previously undocumented clipper malware called MassJacker, according to findings from CyberArk. Clipper malware is a type of cryware (as coined by Microsoft) that’s designed to monitor a victim’s clipboard content and facilitate cryptocurrency theft by substituting copied cryptocurrency wallet […]

Cyber News

OBSCURE#BAT Malware Uses Fake CAPTCHA Pages to Deploy Rootkit r77 and Evade Detection

A new malware campaign has been observed leveraging social engineering tactics to deliver an open-source rootkit called r77. The activity, condemned OBSCURE#BAT by Securonix, enables threat actors to establish persistence and evade detection on compromised systems. It’s currently not known who is behind the campaign. The rootkit “has the ability to cloak or mask any […]

Cyber News

RIP Mark Klein

2006 AT&T whistleblower Mark Klein has died.  

Cyber News

Chromecast chaos – 2nd gen devices go belly-up as Google struggles to fix certificate issue

Graham CLULEY March 13, 2025 Promo Protect all your devices, without slowing them down. Free 30-day trial Has your old Chromecast suddenly developed a problem? You’re not alone it seems. Many users of second-generation Chromecast and Chromecast Audio streaming devices have discovered that their beloved dongles have gone belly-up and are showing error messages such […]

Cyber News

Microsoft Warns of ClickFix Phishing Campaign Targeting Hospitality Sector via Fake Booking[.]com Emails

Microsoft has shed light on an ongoing phishing campaign that targeted the hospitality sector by impersonating online travel agency Booking.com using an increasingly popular social engineering technique called ClickFix to deliver credential-stealing malware. The activity, the tech giant’s threat intelligence team said, started in December 2024 and operates with the end goal of conducting financial […]

Cyber News

North Korea’s ScarCruft Deploys KoSpy Malware, Spying on Android Users via Fake Utility Apps

The North Korea-linked threat actor known as ScarCruft is said to have been behind a never-before-seen Android surveillance tool named KoSpy targeting Korean and English-speaking users. Lookout, which shared details of the malware campaign, said the earliest versions date back to March 2022. The most recent samples were flagged in March 2024. It’s not clear […]

Cyber News

Medusa ransomware: FBI and CISA urge organisations to act now to mitigate threat

The Medusa ransomware gang continues to present a major threat to the critical infrastructure sector, according to a newly-released joint advisory from the FBI, Cybersecurity and Infrastructure Security Agency (CISA) and the Multi-State Information Sharing and Analysis Center (MS-ISAC). As of February 2025, the Medusa ransomware operation, which we have previously detailed on the Tripwire […]

Cyber News

GitHub Uncovers New ruby-saml Vulnerabilities Allowing Account Takeover Attacks

Two high-severity security flaws have been disclosed in the open-source ruby-saml library that could allow malicious actors to bypass Security Assertion Markup Language (SAML) authentication protections. SAML is an XML-based markup language and open-standard used for exchanging authentication and authorization data between parties, enabling features like single sign-on (SSO), which allows 

Cyber News

Future-Proofing Business Continuity: BCDR Trends and Challenges for 2025

As IT environments grow more complex, IT professionals are facing unprecedented pressure to secure business-critical data. With hybrid work the new standard and cloud adoption on the rise, data is increasingly distributed across different environments, providers and locations, expanding the attack surface for emerging cyberthreats. While the need for a strong data protection strategy has […]

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