Parliament has suffered its biggest ever cyber attack as hackers launched a “sustained and determined” attempt to break into MPs email accounts.
The “brute force” assault lasted for more than 12 hours on Friday as unknown hackers repeatedly targeted “weak” passwords of politicians and aides.
Parliamentary officials were forced to lock MPs out of their own email accounts as they scrambled to minimise the damage from the incident.
The network affected is used by every MP including Theresa May, the Prime Minister, and her cabinet ministers for dealing with constituents.
Experts on Saturday night warned that politicians could be exposed to blackmail or face a heightened threat of terrorist attack if emails were successfully accessed.
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