Security | Threat Detection | Cyberattacks | DevSecOps | Compliance

On September 18, 2025, an Analysis Report was issued by CISA that details information about two sets of malware it obtained from an organization that was compromised during May 2025. To gain initial access, the threat actors chained together known vulnerabilities outlined in CVE-2025-4427 and CVE-2025-4428 in Ivanti Endpoint Manager Mobile (Ivanti EPMM) before deploying the malware, which allowed them to achieve remote code execution (RCE).

BlueVoyant’s Threat Fusion Cell (TFC) and Security Operations Center (SOC) researchers have uncovered a recent cyber campaign featuring a unique twist on fake browser updates. This attack leveraged the GrimResource vulnerability and delivered the PureLogs stealer malware to targeted environments through disguised Microsoft Management Console (MSC) files.

This blog is the latest in a series that delves into the deep research conducted daily by the Trustwave SpiderLabs Threat Operations team on major threat actor groups currently operating globally. Trustwave SpiderLabs Cyber Threat Intelligence team has developed a new detailed analysis of Storm-2603, the threat group associated with the recent exploitation of security flaws in Microsoft SharePoint Server.

AMOS Stealer campaign targets macOS, TAG-150 deploys new CastleRAT malware, and GPUGate targets IT firms in Western Europe.

First published May 8th 2025 Updated Sept 16th 2025 Editor’s Note: This blog builds on our recent analysis of the DragonForce ransomware cartel, which claimed responsibility for a wave of UK retail attacks in April–May 2025. While DragonForce took credit for the extortion and data leak phase, growing evidence suggests that another group—Scattered Spider—may have played a foundational role in enabling those attacks.

On September 15, 2025, reports surfaced that the widely used npm package @ctrl/tinycolor had been compromised by malware as part of a broader supply chain attack affecting over 40 packages initially, with the number rising to more than 180 according to Aikido’s blog. Upon further investigation, the first malicious package that was identified as compromised in this campaign was rxnt-authentication, which was updated on September 14, 2025, at 17:58:50 UTC.

On September 11, a message appeared on BreachForumshn that seemed to mark the end of an era.

Ransomware is evolving ‒ not fading. Despite a decline in attack detections based on WatchGuard Firebox telemetry, data from extortion sites and media reporting tells a different story: ransomware activity is actually on the rise, both quarter-over-quarter and year-over-year. The number of active ransomware groups is also increasing, as is the average ransom demand. In fact, the typical payout jumped from $400,000 in 2023 to $2 million in 2024 ‒ a staggering 500% spike.

AI-powered social engineering attacks are significantly more successful than traditional attacks, according to a new report from cyber risk management firm Resilience. The researchers state, “Social engineering attacks fueled 88% of material losses, with AI-powered phishing achieving a 54% success rate compared to just 12% for traditional attempts.” AI allows attackers to easily craft sophisticated phishing emails, as well as voice and video deepfakes.