Cisco Systems is a organization tracked across 6 threat clusters and 6 intelligence report mentions on ThreatCluster. First observed November 6, 2025; most recent activity May 11, 2026.
Cisco Systems, Inc. is a multinational technology company that designs and sells networking hardware, software, and related services. Its devices—such as routers, switches, firewalls, and collaboration tools—are widely deployed in enterprise networks, making Cisco security advisories highly influential in cybersecurity due to potential remote code execution and broad exposure.
Cisco Systems has disclosed a critical authentication bypass vulnerability, CVE-2026-20093, affecting its Integrated Management Controller (IMC) with a CVSS score of 9.8. This flaw allows unauthenticated remote…
The global spear phishing market is projected to grow from US$2.2 billion in 2026 to US$4.9 billion by 2033, with a CAGR of 12.1%. This growth is driven by increasing business email compromise (BEC) incidents and…
The ShinyHunters extortion gang has claimed responsibility for a series of voice phishing attacks targeting single sign-on (SSO) accounts at major platforms including Okta, Microsoft, and Google. In these attacks,…
Cisco has disclosed critical vulnerabilities in its Unified Contact Center Express (CCX) platform and Adaptive Security Appliances (ASA) that allow unauthenticated remote attackers to execute arbitrary code and…
Cisco has patched a vulnerability in its Identity Services Engine (ISE) and ISE Passive Identity Connector (ISE-PIC) products. The flaw, tracked as CVE-2026-20029, allows remote attackers with admin-level privileges to…
Cisco has reported ongoing attacks against its firewalls, specifically targeting vulnerabilities CVE-2025-20333 and CVE-2025-20362. These flaws allow remote code execution and unauthorized access, leading to potential…