Engineer admits he wiped 456 Cisco WebEx VMs from AWS after leaving the biz, derailed 16,000 Teams accounts

A former Cisco employee pleaded guilty in a San Jose federal court on Wednesday to unlawfully accessing Switchzilla’s Amazon Web Services infrastructure and damaging the networking giant’s cloud computing resources.

Sudhish Kasaba Ramesh, who worked at Cisco from July 2016 to April 2018, admitted in a plea agreement with prosecutors that he had deliberately connected to Cisco’s AWS-hosted systems without authorization in September 2018 after leaving the manufacturer.

“During his unauthorized access, Ramesh admitted that he deployed a code from his Google Cloud Project account that resulted in the deletion of 456 virtual machines for Cisco’s WebEx Teams application, which provided video meetings, video messaging, file sharing, and other collaboration tools,” the US Attorney’s Office for the Northern District of California said in a statement.

According to prosecutors, Ramesh’s actions resulted in the shutdown of more than 16,000 WebEx Teams accounts for up to two weeks, which cost Cisco roughly $1.4m in employee time for remediation and over $1m in customer refunds.

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