Households in Sheffield have reportedly been targeted by a BT scam.
Police today urged residents in Wincobank to be alert after phone calls were received from someone claiming to be from the communications giant and asking for people's passwords to help fix a purported virus on customers' systems.
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Police reminded people to be mindful of giving any details over the phone and told them to end the call and ring the main switchboard if they have any doubts it is genuine/
In a message sent via South Yorkshire Police's alert system, PCSO Craig Blackburn said: "Residents have received phone calls from a suspect alleging there from BT asking for passwords from there accounts regarding a virus on their system.
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"They state that someone has been trying to hack there computer and it has flagged up on the system.
"Please be mindful of giving your details over the phone and if you're not sure end the call and ring back the main switchboard, call 101 or visit https://www.actionfraud.police.uk."