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You wouldn’t run your blue team once a year, so why accept this substandard schedule for your offensive side? Your cybersecurity teams are under intense pressure to be proactive and to find your network’s weaknesses before adversaries do. But in many organizations, offensive security is still treated as a one-time event: an annual pentest, a…
The Tibetan community has been targeted by a China-nexus cyber espionage group as part of two campaigns conducted last month ahead of the Dalai Lama’s 90th birthday on July 6, 2025. The multi-stage attacks have been codenamed Operation GhostChat and Operation PhantomPrayers by Zscaler ThreatLabz. “The attackers compromised a legitimate website, redirecting users via a…
Microsoft has revealed that one of the threat actors behind the active exploitation of SharePoint flaws is deploying Warlock ransomware on targeted systems. The tech giant, in an update shared Wednesday, said the findings are based on an “expanded analysis and threat intelligence from our continued monitoring of exploitation activity by Storm-2603.” The threat actor…
Europol on Monday announced the arrest of the suspected administrator of XSS.is (formerly DaMaGeLaB), a notorious Russian-speaking cybercrime platform. The arrest, which took place in Kyiv, Ukraine, on July 222, 2025, was led by the French Police and Paris Prosecutor, in collaboration with Ukrainian authorities and Europol. The action is the result of an investigation…
Cybersecurity researchers have uncovered a new stealthy backdoor concealed within the “mu-plugins” directory in WordPress sites to grant threat actors persistent access and allow them to perform arbitrary actions. Must-use plugins (aka mu-plugins) are special plugins that are automatically activated on all WordPress sites in the installation. They are located in the “wp-content/mu-plugins”
FortiGuard Labs is aware of a new attack on Apache Tomcat Servers dubbed “GhostCat.” Discovered by Chaitin Tech, a vulnerability in Apache Tomcat exists where an attacker has the ability to read and write in the webapp directory of Apache Tomcat. It addition to this, an attacker has the ability to upload files to the…
FortiGuard Labs is aware of reports of active exploitation of CVE-2020-0688 – Microsoft Exchange Validation Key Remote Code Execution Vulnerability. Active in the wild attacks were first observed by Twitter user Troy Mursch (@bad_packets). The vulnerability was disclosed by an anonymous researcher to the Zero Day Initiative. According to the original February Microsoft Security Advisory…
FortiGuard Labs is aware of a newly disclosed vulnerability in Zyxel network attached storage (NAS) devices in an advisory published today by CERT/CC. Multiple Zyxel devices contain a pre authentication command injection vulnerability, which may allow a remote unauthenticated attacker to execute arbitrary code on the device. The vulnerability was reported by security journalist Brian…
UPDATE February 17: Added reference to CVE-2022-24087, which Adobe disclosed and issues an out-of-band patch for on February 17th, 2022.FortiGuard Labs is aware of reports that Magento Open Source and Adobe Commerce are actively being targeted and exploited through CVE-2022-24086. This vulnerability can lead to remote code execution (RCE) on an exploited server which means…
FortiGuard Labs is aware that the U.S. Cybersecurity and Infrastructure Security Agency (CISA) has added CVE-2022-22718 to the Known Exploited Vulnerabilities Catalog. CVE-2022-24481 is a local privilege escalation vulnerability in the Windows Print Spooler and affects multiple versions of Windows OS. Microsoft issued a patch for the vulnerability as part of the February 2022 Patch…