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MuddyWater Uses DLL Side-Loading in Espionage Campaign Targeting 9 Countries

The Iranian hacking group known as MuddyWater has been linked to a new campaign affecting at least nine organizations across nine countries on four continents in the first quarter of 2026. The activity targeted industrial and electronics manufacturing, education and public-sector bodies, financial services, and professional services, per the Threat Hunter Team from Symantec and…

The Massive Canvas Cyberattack That Allegedly Ended in a Secret Deal With Hackers

The cyberattacks targeting Instructure’s Canvas learning management system unfolded as at least two distinct but likely connected operational phases that exposed the fragility of browser-based SaaS trust models inside modern educational infrastructure. What began in late April as a suspected cloud-platform compromise involving large-scale data exfiltration evolved by early May into a far more aggressive…

Weekly Update 503

Well, it’s the day before the Instructure “pay or leak” deadline (at least by my Aussie watch), and the company remains removed from the ShinyHunters website. In its place sits a press statement that amounts to “we’re not making any statements”. So did they pay? And if so, what lofty figure would an incident of…

Phishing Campaign Hits 80+ Orgs Using SimpleHelp and ScreenConnect RMM Tools

An active phishing campaign has been observed targeting multiple vectors since at least April 2025, with legitimate Remote Monitoring and Management (RMM) software as a way to establish persistent remote access to compromised hosts. The activity, codenamed VENOMOUS#HELPER, has impacted over 80 organizations, most of which are in the U.S., according to Securonix. It shares…

Claude Mythos signals a new era in AI-driven security, finding 271 flaws in Firefox

The Claude Mythos Preview appears to be living up to the hype, at least from a cybersecurity standpoint. The model, which Anthropic rolled out to a small group of users, including Firefox developer Mozilla, earlier this month, has discovered 271 vulnerabilities in version 148 of the browser. All have been fixed in this week’s release…

Claude Mythos signals a new era in AI-driven security, finding 271 flaws in Firefox

The Claude Mythos Preview appears to be living up to the hype, at least from a cybersecurity standpoint. The model, which Anthropic rolled out to a small group of users, including Firefox developer Mozilla, earlier this month, has discovered 271 vulnerabilities in version 148 of the browser. All have been fixed in this week’s release…

Claude Mythos signals a new era in AI-driven security, finding 271 flaws in Firefox

The Claude Mythos Preview appears to be living up to the hype, at least from a cybersecurity standpoint. The model, which Anthropic rolled out to a small group of users, including Firefox developer Mozilla, earlier this month, has discovered 271 vulnerabilities in version 148 of the browser. All have been fixed in this week’s release…

Officials worry Salt Typhoon apathy is killing momentum for tougher telecom security rules

Two years ago, it was revealed that Chinese hackers had compromised at least ten U.S. telecoms, giving them broad access to phone data affecting nearly all Americans. Since then, public officials charged with responding to the campaign and bolstering the nation’s cyber defenses have reported a common problem. Many of their constituents struggle to understand…

Feds say another DigitalMint negotiator ran ransomware attacks and extorted $75 million

A 41-year-old South Florida man is accused of conducting at least 10 ransomware attacks and extorting a combined $75.25 million in ransom payments while he was working as a ransomware negotiator for DigitalMint.  Five of Angelo John Martino III’s alleged victims hired DigitalMint, which assigned Martino to conduct ransomware negotiations on their clients’ behalf —…

ShinyHunters claims new campaign targeting Salesforce Experience Cloud sites

Salesforce customers have, once again, been targeted by the ShinyHunters group – or, at least, it’s what the group claims. Attackers modified and abused benign tool On Saturday, Saleforce confirmed that its security team has identified an attack campaign by unnamed malicious actors looking to access customers’ data. The attackers are not leveraging a vulnerability…