SAN FRANCISCO (KGO) -- On Friday Facebook announced that a security flaw with its "View As" feature led 50 million accounts, and as many as 90 million users, to be compromised.
Cybersecurity expert Adam Levin spoke with ABC7 News' Michael Finney about what you can do to protect yourself.
RELATED: What we know about Facebook's massive security breach so far
The first step is to re-login in to Facebook, Levin said, and to make sure you re-login to any app you login into using your Facebook credentials.
That's because Facebook has re-set the "access tokens" that people use to login, but the new tokens won't take effect if you don't re-login.
RELATED: Facebook says 50 million user accounts affected by security breach
Levin said people need to be mindful of their "cyber hygiene" and take the following steps:
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