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How to identify and prevent backdoor attacks
A backdoor is a way to access a system outside normal login processes. It may be created intentionally for maintenance or troubleshooting, or unintentionally through insecure or flawed code. A backdoo...
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Understanding asymmetric encryption: The key to safer digital communication
Secure online communication requires a way for two parties to exchange information privately, even if they've never interacted before. Asymmetric encryption makes this possible and has become a founda...
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SSH key authentication explained: How it works, why it matters, and how to set it up
Passwords help protect accounts and remote access, but weak or reused credentials can still be guessed, stolen, or abused. Secure Shell (SSH) key authentication offers a more secure way to sign into s...
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What is a hacker? Types, risks, and how to stay safe
“Hacker” is one of the most misunderstood terms on the internet. In movies and headlines, hackers are often portrayed as mysterious criminals breaking into systems from dark rooms filled with glow...
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How to get rid of adware on Mac and prevent future infections
If your Mac suddenly floods you with pop-ups, redirects your searches, or keeps changing browser settings you just fixed, something is interfering with your system. These problems can continue even af...
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Cloud-as-a-Service (CaaS) explained: How it works, benefits, and real-world examples
Cloud-as-a-Service (CaaS) is a broad term for cloud computing services that are hosted by a third-party provider and made available to customers over the internet, typically on a subscription or pay-p...
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Symmetric encryption explained: How it works, why it matters, and where it’s used
Whenever data is protected in transit or at rest, encryption often works behind the scenes. Among the many cryptographic techniques in use today, symmetric encryption is one of the oldest and most wid...
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What are zombie cookies? How they come back and how to block them
Zombie cookies, also known as evercookies or supercookies, are tracking cookies that are designed with persistence in mind. Unlike standard cookies that you can delete from your browser, zombie cookie...
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What is 3-D Secure? Understanding online payment security
Whenever you pay for something online, your card details travel through various systems before a payment is confirmed. Most of that process is invisible to you, but one layer you may have noticed is a...
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What is facial recognition, and how does it work?
Facial recognition was once a concept associated with science fiction, but it’s now part of everyday life. People use it to unlock phones and laptops, airports rely on it to verify passengers, and l...