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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 identify and respond to NetWalker ransomware attacks
NetWalker was a well-known ransomware operation, first identified in 2019, which became especially prominent during the COVID-19 pandemic. Attackers used it to encrypt victims’ files and demand rans...
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What is REvil ransomware? A complete cybersecurity breakdown
REvil ransomware was a highly prolific ransomware operation active between 2019 and early 2022. It ran a large-scale Ransomware-as-a-Service (RaaS) model, enabling affiliates to launch attacks against...
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What to do if your Twitch account gets hacked
Attackers who gain access to your Twitch account may be able to change your login credentials, make unauthorized purchases, broadcast inappropriate content, or use your channel to scam your followers....
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What is tailgating in cybersecurity?
Some organizations invest heavily in digital defenses but underestimate the importance of enforcing physical security. Tailgating is a strategy that exploits this weak point, allowing bad actors to ga...
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What is an NFC tag, and how does it work? A complete guide
If you’ve ever used contactless payments, entered a building by tapping your phone, or checked out a product with a quick tap, you’ve interacted with near-field communication (NFC) tags. NFC power...
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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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What is MAC flooding? How the attack works and why it’s a security risk
Many local networks use devices called switches to move data between laptops, phones, printers, and servers. Instead of sending every piece of data to every connected device, a switch forwards traffic...
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How to spot DocuSign email scams and avoid phishing attacks
If you’ve ever received an email asking you to “review and sign” a document, there’s a good chance it mentioned DocuSign. Because it’s widely used by businesses to send contracts and agreeme...
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What is password cracking and how can you prevent it?
Password cracking is a technique attackers use to uncover passwords by systematically guessing them or analyzing stolen, hashed password data. Weak or reused passwords make the process far easier than...
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