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Poor security let hackers access 40 million voters' details
The UK data watchdog says weak passwords and unpatched software were responsible for the hack.
Beginning in August 2021 cyber-attackers were able to access computers containing the Electoral Registers, which hold details of voters including millions of those not available publicly. To carry out the attack, hackers impersonated a legitimate user account and exploited a number of publicly known security weaknesses in software used by the commission. ICO deputy commissioner Stephen Bonner said if the Electoral Commission had "taken basic steps" to protect its systems, it was "highly likely" the data breach would not have happened.
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