CISA
CISA warns admins to immediately fix Ivanti flaw exploited as zero-day
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) urged security teams to immediately patch an Ivanti Connect Secure (ICS) flaw exploited in zero-day attacks since at least October 1st. Tracked as CVE-2026-104935, this high-severity authentication bypass vulnerability lets remote threat actors without privileges execute arbitrary commands on targeted ICS systems in low-complexity attacks that don’t […]
FBI disrupts Chinese hacking tools used to breach critical infrastructure
The FBI has seized seven domains used by Chinese state-sponsored hackers known as Flax Typhoon to operate two hacking tools, MicroScan and FishHub, used in attacks that breached critical infrastructure and other organizations worldwide. The seizures targeted infrastructure supporting the two hacking platforms allegedly operated by China-based Integrity Technology Group (Integrity Tech), which U.S. authorities […]
CISA warns of critical pre-auth RCE flaw in MikroTik RouterOS
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning of a new critical vulnerability in MikroTik RouterOS that could lead to remote code execution or cause a denial-of-service condition. Tracked as CVE-2026-84411, the security issue is a pre-authentication integer underflow in RouterOS’s web-management HTTP request handling. CISA says that a single crafted request can […]
CISA orders feds to patch exploited Citrix flaws by Wednesday
The Cybersecurity and Infrastructure Security Agency (CISA) has ordered U.S. government agencies over the weekend to secure their systems against attacks exploiting two critical Citrix NetScaler vulnerabilities. Citrix released security updates to address the flaws (tracked as CVE-2026-88771 and CVE-2026-88772) days after national cybersecurity agencies, IT suppliers, and security teams began privately contacting Citrix customers […]
CISA warns of Sharepoint, WSO2, Adobe Commerce flaws exploited in attacks
The Cybersecurity and Infrastructure Security Agency (CISA) warns that hackers are exploiting a critical authentication bypass vulnerability (CVE-2026-5430) affecting multiple products from enterprise software provider WSO2. The agency also added CVE-2026-71362, another critical-severity flaw affecting Adobe Commerce, to the list of security issues being leveraged in attacks. Hackers are also exploiting two additional vulnerabilities: a high-severity […]
CISA: Ransomware gangs now exploiting critical TeamCity flaw
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) warned federal agencies on Wednesday that ransomware gangs are now also exploiting a critical JetBrains TeamCity vulnerability patched in July. JetBrains patched the security flaw (tracked as CVE-2026-63077) on July 25 in TeamCity On-Premises versions 2025.11.7 and 2026.1.3, saying it is a critical authentication bypass vulnerability that […]
CISA orders feds to patch Zyxel flaw exploited for data theft
Attackers are now actively exploiting a high-severity vulnerability in Zyxel GS1900 series switches, according to the U.S. Cybersecurity and Infrastructure Security Agency (CISA). The flaw (tracked as CVE-2026-7273) stems from a stack-based buffer overflow in the CGI program that lets threat actors without privileges on the local area network (LAN) execute OS commands via maliciously […]
CISA alerts of active exploitation of three Linux kernel flaws
The U.S. Cybersecurity and Infrastructure Security Agency (CISA) is warning that hackers are exploiting three Linux kernel vulnerabilities, one of them rated critical. The three security issues were added separately last week and have severity ratings ranging from medium to critical. One of them, tracked as CVE-2025-39964, existed in the Linux kernel for 14 years. […]
Cisco warns of max severity ISE zero-day exploited in attacks
Cisco has released security updates to address a maximum-severity Identity Services Engine vulnerability that attackers are actively exploiting in the wild. Cisco ISE is a centralized policy platform that IT administrators use to manage endpoints, users, and device access to network resources, often while enforcing Zero Trust security models. The security flaw (tracked as CVE-2026-76460) […]
Iranian hackers use CHOSEN BRICK Windows malware to spy on targets
Government agencies are warning that Iranian state-linked hackers are using a Windows malware strain named CHOSEN BRICK to target dissidents, activists, and journalists worldwide. The malware features data theft and espionage capabilities that collect email, Telegram, and WhatsApp communications, take screenshots, and record audio. The threat actor primarily targeted individuals in the U.S., U.K., and […]