Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

A newly disclosed vulnerability in Ivanti Connect Secure (ICS) VPN appliances has been weaponized in the wild by a Chinese nation-state threat actor, UNC5221. Tracked as CVE-2025-22457, this critical stack-based buffer overflow vulnerability allows unauthenticated remote attackers to execute arbitrary code, posing a significant risk to enterprise networks.

Illumio’s recent Global Cost of Ransomware Study found that 64% of Australian companies hit by ransomware had to shut down operations as a result. Additionally, 43% of these organizations reported a significant loss of revenue, and 39% lost customers as a result of an attack. Most respondents indicated that reputational damage has overtaken regulatory fees as the most costly effect of a ransomware attack.

The Tycoon 2FA phishing kit has adopted several new evasion techniques aimed at slipping past endpoints and detection systems. These include using a custom CAPTCHA rendered via HTML5 canvas, invisible Unicode characters in obfuscated JavaScript, and anti-debugging scripts to thwart inspection. This blog takes a closer look at these methods to better understand how this kit is evolving and what defenders should be aware of.

In a recent social-engineering attack targeting the hospitality sector observed by the ThreatSpike team, there appears to be a change in the tactics employed by the threat actor. The hospitality sector, where top-notch customer-service is expected, customer-facing employees are often lucrative targets for phishing, as detailed in our previous blog post.

Hello from the Veracode Research blog! It’s been a minute since we’ve done a malware write-up, but we’re back and ready for action! And speaking of folks who are back and ready for action, the North Korean attackers behind the crypto wallet stealer campaign we wrote about in February of 2024 and again in May of 2024 are back at it with a new batch of malicious npm packages.

Ransomware is no longer in its heyday. Evolving, AI-driven cybersecurity tools and global law enforcement efforts have seen to that. But that doesn’t mean ransomware is no longer a threat. In fact, in some ways, the danger is greater than ever. While ransomware attacks are less common than they used to be, the consequences of those that succeed are more severe. Earlier this year, the Ponemon Institute published a study revealing massive changes in the ransomware landscape.