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Here are early warning signs that you've been hacked and how you can protect yourself

Checking the website, HaveIBeenPwned.com, KSL producer Sloan Schrage found email addresses, passwords and other identity info had been leaked in at least three data breaches.

Checking the website, HaveIBeenPwned.com, KSL producer Sloan Schrage found email addresses, passwords and other identity info had been leaked in at least three data breaches. (Nathaniel Gillis, KSL )


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KEY TAKEAWAYS
  • Cybersecurity expert Kathryn Linford warns against ignoring unfamiliar login alerts.
  • She advises using HaveIBeenPwned.com to check if credentials are compromised.
  • Linford recommends password managers and multi-factor authentication for account security.

SALT LAKE CITY — Let's say you're jamming away on something on your laptop or phone, and up pops an alert about a login from an unfamiliar location. It could be an email asking, "Was this you?" Or maybe a second factor authorization prompt on your phone that you didn't initiate.

But whatever alert you get, you ignore because you get so many, and nothing has happened before.

"All the time you're getting these notifications, you're getting texts, you're getting emails, you're getting all of this information coming through," said cybersecurity expert Kathryn Linford, CEO of Insight IT.

But this is information you shouldn't treat as background noise, she warns. Because it means someone, somewhere has your credentials, and they're trying to get in.

"They can get in, and you would never know," Linford said.

Want to know if your login credentials are in someone else's hands? She recommends checking your email address with HaveIBeenPwned.com. It's a free service that will tell you if your credentials have turned up in databases of known data breaches. Also, both Google and Apple now have a similar tool in their security settings.

KSL producer Sloan Schrage agreed to be my guinea pig for this story – typing in his information to see if he'd been compromised. Turns out, he'd been "pwned" several times over – including a 2024 data breach of the digital library site Internet Archive. That data breach exposed 31 million records, and Sloan had no idea until now.

Verizon's 2025 analysis of data breaches found stolen credentials to be the method used most by hackers. If they have your email and password for one website, they'll try to use the same combination on other services.

"Don't use reused passwords," Linford said. "That is the big thing."

She strongly recommends using a password manager.

"You don't have to remember your passwords if your password is automatically being put in," she said.

She also warns that passwords aren't enough to secure your accounts.

"Getting your MFA or multi-factor authentication set up is critical on as many accounts as you can," Linford said.

"If you don't have multi-factor authentication, most of the time it's only a matter of time," she said of your chances of getting hacked.

You should know, scammers love sending fake login alerts that look like they're really from Google, Facebook, Netflix and others. Linford says never click on any links to verify a login. Instead, navigate to that site on your own, log into your account and check for any strange log-ins.

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The Key Takeaways for this article were generated with the assistance of large language models and reviewed by our editorial team. The article, itself, is solely human-written.

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Matt Gephardt, KSLMatt Gephardt
Matt Gephardt has worked in television news for more than 20 years, and as a reporter since 2010. He is now a consumer investigative reporter for KSL. You can find Matt on X at @KSLmatt or email him at matt@ksl.com.
Sloan Schrage, KSLSloan Schrage
Sloan Schrage started as an “old man” intern with KSL TV in 2007. For the past ten years, he’s produced daily and investigative stories that impact safety, security and wallets of Utah consumers. When he’s not at KSL, he’s either with his family or trying to repair cars with help from YouTube tutorials, or buying cameras or other photography gear that he’ll never use.

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