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Cisco Talos

Cisco Talos, or Cisco Talos Intelligence Group, is a cybersecurity technology and information security company based in Fulton, Maryland. It is a part of Cisco Systems Inc. Talos' threat intelligence powers Cisco Secure products and services, including malware detection and prevention systems. Talos provides Cisco customers and internet users with customizable defensive technologies and techniques through several of their own open-source products, including the Snort intrusion prevention system and ClamAV anti-virus engine.

The company is known for its involvement in several high-profile cybersecurity investigations, including the VPNFilter wireless router malware attack in 2018 and the widespread CCleaner supply chain attack In 2017.

Sourcefire was founded in 2007 in Martin Roesch, the creator of the Snort intrusion prevention system. Sourcefire created an original commercial version of Snort known as the "Sourcefire 3D System," which eventually became the Firepower line of network security products. The company's headquarters were in Columbia, Maryland in the United States, with offices across the globe.

On July 23, 2013, Cisco Systems announced a definitive agreement to acquire Sourcefire for $2.7 billion. After Cisco's acquisition of Sourcefire, the company combined the Sourcefire Vulnerability Research Team (Sourcefire VRT), Cisco's Threat Research, Analysis, and Communications (TRAC) team, and Security Applications (SecApps) to form Cisco Talos in August 2014. Today, Talos sits under the Cisco Secure umbrella and operates the Cisco Talos Incident Response (Talos IR) team.  

In 2014, Cisco Talos helped co-found the Cyber Threat Alliance, a not-for-profit organization with the goal of improving cybersecurity "for the greater good" by encouraging collaboration between cybersecurity organizations by sharing cyber threat intelligence amongst members. As of 2022, the organization had more than 40 members, including Fortinet, Checkpoint, Palo Alto Networks and Symantec.

In 2019, Cisco Security Incident Response Services group announced a new partnership with Talos, becoming Cisco Talos Incident Response (Talos IR). Since the creation of Talos IR, the group was named as a leader by IDC in the 2021 MarketScape for Worldwide Incident Readiness Services (doc #US46741420, November 2021). Talos IR was also added to the approved vendor list on the Bundesamt für Sicherheit in der Informationstechnik (BSI) Advanced Persistent Threat (APT) response service providers list in May 2022.  

Talos regularly collects data on the latest cybersecurity threats, malware, and threat actors through several avenues. That information then powers Cisco Secure's products, including Cisco Secure Cloud and Cisco Secure Endpoint.

The FBI and U.S. Cybersecurity and Infrastructure Security Agency has credited Talos with several major security research breakthroughs, including the VPNFilter malware that could take over home wireless routers, the BlackCat ransomware group, the active exploitation of the PrintNightmare vulnerability in Microsoft Windows and the router malware, a cousin of VPNFilter.

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