Latest cybersecurity reporting from selected sources.

An unknown threat actor exploited a recently disclosed high-severity security flaw impacting Cisco Catalyst SD-WAN as a zero-day at least two months before it was publicly disclosed, according to new findings from Google-owned Mandiant

Threat actors have begun to exploit a recently disclosed critical security flaw impacting Cisco Unified Communications Manager (Unified CM) and Unified Communications Manager Session Management Edition (Unified CM SME)

The U.S.Cybersecurity and Infrastructure Security Agency (CISA) on Thursday added a newly disclosed vulnerability impacting Cisco Catalyst SD-WAN Controller to its Known Exploited Vulnerabilities (KEV) catalog, requiring Federal Civilian Executive Branch (FCEB) agencies to remediate the issue by May 17, 2026

Amazon Threat Intelligence is warning of an active Interlock ransomware campaign that's exploiting a recently disclosed critical security flaw in Cisco Secure Firewall Management Center (FMC) Software

Cisco has disclosed that two more vulnerabilities affecting Catalyst SD-WAN Manager (formerly SD-WAN vManage) have come under active exploitation in the wild

A newly disclosed maximum-severity security flaw in Cisco Catalyst SD-WAN Controller (formerly vSmart) and Catalyst SD-WAN Manager (formerly vManage) has come under active exploitation in the wild as part of malicious activity that dates back to 2023

Cisco on Thursday released security updates for a maximum-severity security flaw impacting Cisco AsyncOS Software for Cisco Secure Email Gateway and Cisco Secure Email and Web Manager, nearly a month after the company disclosed that it had been exploited as a zero-day by a China-nexus advanced persistent threat (APT) actor codenamed UAT-9686

Amazon's threat intelligence team on Wednesday disclosed that it observed an advanced threat actor exploiting two then-zero-day security flaws in Cisco Identity Service Engine (ISE) and Citrix NetScaler ADC products as part of attacks designed to deliver custom malware

Cisco on Wednesday disclosed that it became aware of a new attack variant that's designed to target devices running Cisco Secure Firewall Adaptive Security Appliance (ASA) Software and Cisco Secure Firewall Threat Defense (FTD) Software releases that are susceptible to CVE-2025-20333 and CVE-2025-20362

Cybersecurity researchers have disclosed details of a new campaign that exploited a recently disclosed security flaw impacting Cisco IOS Software and IOS XE Software to deploy Linux rootkits on older, unprotected systems

Cybersecurity researchers have disclosed details of a new Rust-based backdoor called ChaosBot that can allow operators to conduct reconnaissance and execute arbitrary commands on compromised hosts

The U.K. National Cyber Security Centre (NCSC) has revealed that threat actors have exploited the recently disclosed security flaws impacting Cisco firewalls as part of zero-day attacks to deliver previously undocumented malware families like RayInitiator and LINE VIPER

A Russian state-sponsored cyber espionage group known as Static Tundra has been observed actively exploiting a seven-year-old security flaw in Cisco IOS and Cisco IOS XE software as a means to establish persistent access to target networks

Cisco on Monday updated its advisory of a set of recently disclosed security flaws in Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) to acknowledge active exploitation

Cisco has disclosed a new maximum-severity security vulnerability impacting Identity Services Engine (ISE) and Cisco ISE Passive Identity Connector (ISE-PIC) that could permit an attacker to execute arbitrary code on the underlying operating system with elevated privileges

Cybersecurity researchers have disclosed that a threat actor codenamed ViciousTrap has compromised nearly 5,300 unique network edge devices across 84 countries and turned them into a honeypot-like network

Details have emerged about a China-nexus threat group's exploitation of a recently disclosed, now-patched security flaw in Cisco switches as a zero-day to seize control of the appliances and evade detection

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has disclosed that threat actors are abusing the legacy Cisco Smart Install (SMI) feature with the aim of accessing sensitive data

VMware has released security updates to fix a trio of flaws in Aria Operations for Networks that could result in information disclosure and remote code execution

Uber on Monday disclosed more details related to the security incident that happened last week, pinning the attack on a threat actor it believes is affiliated to the notorious LAPSUS$ hacking group