Security News > 2019 > June > What the cell...? Telcos around the world were so severely pwned, they didn't notice the hackers setting up VPN points

Cybereason lifts lid on highly sophisticated long-running espionage campaign targeting phone carriers Hackers infiltrated the networks of more than ten cellular telcos around the world, and remained hidden for years in some cases, as part of a long-running tightly targeted surveillance operation, The Register has learned.…

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http://go.theregister.com/feed/www.theregister.co.uk/2019/06/25/telco_security_hell/