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Digital hygiene

Understanding Two-Step Verification Codes

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Photo: Big yellow umbrella on Harcourt Road on 2014-12-07 by Ceeseven (CC BY-SA 4.0), via Openverse

A two-step verification code, sent by text or generated by an authentication app, is meant to confirm that you are the one actually logging in, which means receiving an unexpected code is itself a genuinely meaningful signal worth paying attention to. Treating it as a red flag rather than a routine event matters here.

If you receive a verification code you did not request, it likely means someone else genuinely has your password and is attempting to access your account, making it a good moment to change that password immediately. Acting quickly at this exact moment can prevent a much bigger problem.

Never sharing a verification code with anyone who calls or messages asking for it, even if they claim to represent your bank or another trusted organisation, since legitimate organisations never genuinely need you to read this code aloud to them. A genuine request for this code should always raise immediate suspicion.

Treating verification codes with the same care as a password, since anyone possessing both effectively has full access to the account, keeps this security feature genuinely effective for as long as it is actually used. This small discipline closes off one of the most common attack paths.

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Printed from Better Safe Than Sorry. Sources for this article are listed at the end of the page.