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Credit card authorization: The complete guide you need
Credit card authorization is the step that decides whether a card payment can go through. That decision affects more than whether a purchase works: it acts as an early security checkpoint, helping sto...
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How to ensure NFC security for safe transactions
Near Field Communication (NFC) security depends on a small number of technical controls. When these controls work as intended, NFC payments and taps are difficult to intercept or misuse. When they’r...
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How to identify and remove grayware from your devices
Not every risky program qualifies as malware. Some software falls into a middle ground known as grayware. It often appears bundled with other downloads or as an “optional” component during install...
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How to tell if your baby monitor is hacked
Smart baby monitors make life easier for new parents, letting them keep an eye on their little one. But because many monitors connect to Wi-Fi, the app, or the cloud, they’re exposed to the same sec...
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How to stop my search engine from switching to Bing
If your search engine keeps switching to Bing, you can easily reset it to your preferred search engine. But to make the change permanent, you’ll need to identify and address the source of the redire...
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How to spot and report Coinbase scam emails safely
Cryptocurrency scams are getting more sophisticated, and one of the most common tactics fraudsters use today is scam emails that pretend to be from well-known companies like Coinbase. These fake Coinb...
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How to identify and prevent a whaling attack
Whaling attacks usually blend into real business processes, asking you for a quick approval or help with a confidential work task. Often, nothing about it looks especially unusual. The pressure is sub...
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Twofish encryption: What it is and why it matters
Twofish is a secure, efficient, and flexible block cipher created for the Advanced Encryption Standard (AES) competition run by the U.S. National Institute of Standards and Technology (NIST) in the la...
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What you need to know about adversary-in-the-middle (AiTM) attacks
Adversary-in-the-middle (AiTM) attacks are a growing threat for large organizations because they can often monitor and record employees’ online communications without them knowing or take over their...
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Which email attachments are safe to open?
Email attachments are a common way scammers try to install malware on your device or redirect you to a fake login page. Whether an email attachment is safe to open or not depends more on who sent it a...