Gabriele Svelto
boosted
Finland has effectively stopped #calleridspoofing from faked Finnish phone numbers - "According to FICORA Regulation 28, the telecommunications operator of the call originating network must ensure that the calling party number it transfers in call origination and, in case of a forwarded (redirected) call, the forwarding number is valid and unambiguous." https://www.kyberturvallisuuskeskus.fi/sites/default/files/media/regulation/EN%20Recommendation%20to%20Telecommunications%20Operators%20on%20Detecting%20and%20Preventing%20Caller%20ID%20Spoofing.pdf #infosec #telcos