Security

Repeated “Approve sign-in?” prompts on your phone mean someone has your password. Here is how MFA fatigue attacks work.

Emails saying your antivirus or support plan renewed for hundreds of dollars want you to call a fake refund department. Here is how the scam works.

“Someone shared a file with you” emails lead to fake sign-in pages that steal your password. See an example and learn how to tell real from fake.

Websites that say your browser is out of date and offer an “Update Now” download are installing malware. Here is how real updates work.

Fake QR code stickers on parking meters, flyers and emails send you to look-alike payment pages. Here is how to scan safely.

An urgent message from “the boss” asking an employee to buy gift cards is one of the most common small business scams. Here is how it works and how to stop it.

Unpaid toll texts, package holds, fake bank alerts and “wrong number” chats are all smishing. See examples and learn what to do with a scam text.

An annotated example phishing email and the seven red flags to check before you click, plus what to do if you already did.

Scammers buy search ads and build look-alike sites so the first result you see is theirs. Here is how fake support numbers and bad downloads hide in search results.

Spammy notifications, a new homepage and pages that redirect on their own are signs your browser has been hijacked. Here is what causes it and how to clean it up.