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Linux security explained: A guide to protecting your system
Linux has a reputation for solid security, but the real story is more practical than that. Security on Linux comes from how the system is built, and from what you choose to run, expose, and update ove...
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How to reduce CAPTCHA prompts: Browser and VPN fixes
A search query, product lookup, or form submission might trigger an "I'm not a robot" check before you can continue. This CAPTCHA check helps websites distinguish between real visitors and automated t...
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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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Golden ticket attack: What it is and how to defend against it
In many Windows environments, Active Directory (AD) is responsible for authenticating users and controlling access to systems. When attackers gain deep access to these identity systems, they can forge...
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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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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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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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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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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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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...