INCIDENT: Cisco Hit in Cyber Attack, Data Taken

Cisco discovered a security incident May 24 targeting its corporate IT infrastructure, and took immediate action to contain and eradicate the attackers, officials said.
Cisco disclosed the incident Wednesday because the attackers published a list of files from the incident to the dark web.
In light of the attack, Cisco did not report any impact to its business, including it products, services, customer data, employee information, intellectual property or supply chain operations.
Cisco did say since the attack, the company has taken steps to remediate the impact of the incident and further harden its IT environment. In addition, the tech giant said no ransomware has been observed or deployed and Cisco has successfully blocked attempts to access Cisco’s network since discovering the incident.

Incident Date

May 24, 2022


United States

Estimated Cost

Cisco did not report any impact to its business. Data was taken, though.


Type of Malware:

No Malware identified

Threat Source:

No threat source identified


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