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Microsoft has released an advisory for a high-severity security flaw affecting on-premise versions of Exchange Server that could allow an attacker to gain elevated privileges under certain conditions. The vulnerability, tracked as CVE-2025-53786, carries a CVSS score of 8.0. Dirk-jan Mollema with Outsider Security has been acknowledged for reporting the bug. "In an Exchange hybrid deployment, an

Python is everywhere in modern software. From machine learning models to production microservices, chances are your code—and your business—depends on Python packages you didn’t write. But in 2025, that trust comes with a serious risk. Every few weeks, we’re seeing fresh headlines about malicious packages uploaded to the Python Package Index (PyPI)—many going undetected until after they’ve caused

Cybersecurity researchers have demonstrated an "end-to-end privilege escalation chain" in Amazon Elastic Container Service (ECS) that could be exploited by an attacker to conduct lateral movement, access sensitive data, and seize control of the cloud environment. The attack technique has been codenamed ECScape by Sweet Security researcher Naor Haziz, who presented the findings today at the

The malicious ad tech purveyor known as VexTrio Viper has been observed developing several malicious apps that have been published on Apple and Google's official app storefronts under the guise of seemingly useful applications. These apps masquerade as VPNs, device "monitoring" apps, RAM cleaners, dating services, and spam blockers, DNS threat intelligence firm Infoblox said in an exhaustive

On July 22, 2025, the European police agency Europol said a long-running investigation led by the French Police resulted in the arrest of a 38-year-old administrator of XSS, a Russian-language cybercrime forum with more than 50,000 members. The action has triggered an ongoing frenzy of speculation and panic among XSS denizens about the identity of the unnamed suspect, but the consensus is that he is a pivotal figure in the crime forum scene who goes by the hacker handle “Toha.” Here’s a deep dive on what’s knowable about Toha, and a short stab at who got nabbed. An unnamed 38-year-old man was arrested in Kiev last month on suspicion of administering the cybercrime forum XSS. Image: ssu.gov.ua. Europol did not name the accused, but published partially obscured photos of him from…

On July 22, 2025, the European police agency Europol said a long-running investigation led by the French Police resulted in the arrest of a 38-year-old administrator of XSS, a Russian-language cybercrime forum with more than 50,000 members. The action has triggered an ongoing frenzy of speculation and panic among XSS denizens about the identity of the unnamed suspect, but the consensus is that he is a pivotal figure in the crime forum scene who goes by the hacker handle “Toha.” Here’s a deep dive on what’s knowable about Toha, and a short stab at who got nabbed. An unnamed 38-year-old man was arrested in Kiev last month on suspicion of administering the cybercrime forum XSS. Image: ssu.gov.ua. Europol did not name the accused, but published partially obscured photos of him from…