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What is SHA-256? A practical guide to SHA-256 hashing
When a software update verifies itself before installing, when a Bitcoin block is added to the chain, or when secure websites check data integrity, the Secure Hash Algorithm 256-bit (SHA-256) is often...
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EXIF data explained: What your photos reveal and how to stay private
Photos can reveal more than what’s visible in the image. Many image files contain embedded information that may be retained when they're uploaded or shared, potentially exposing details you didn't i...
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Is Outlook HIPAA compliant? Requirements, risks, and best practices
Healthcare organizations often use email to coordinate care, communicate with patients, and share information internally. Because Outlook is commonly used in Microsoft 365 business email environments,...
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How to block an email address in Outlook: Step-by-step guide
Unwanted emails can quickly take over your inbox. Some are harmless but annoying, such as marketing messages and newsletters you no longer read. Others are more serious, including spam and phishing em...
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Secure enclave explained: How it keeps your data private
Sensitive information isn't only at risk when it's stored or transmitted. Data can also become vulnerable while it's actively being processed, especially if attackers gain access to the OS or other pr...
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Are digital wallets safe? What to know before using one
Digital wallets are generally safe to use. Most reputable digital wallets include advanced security features designed to protect user data and transactions. Still, no payment method is completely risk...
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DDoS attack tools explained: Risks, warning signs, and ways to stay protected
Denial-of-service (DoS) and distributed denial-of-service (DDoS) attacks are significant cyber threats capable of taking down websites, overwhelming networks, and costing organizations hundreds of tho...
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What is a safe username? How to create one that protects your privacy
Usernames often look like simple account labels, but they can carry more identity value than expected. A careless choice can make a profile easier to interpret outside the platform where it first appe...
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VPN vs. VLAN: Key differences, benefits, and use cases
A virtual private network (VPN) and a virtual local area network (VLAN) may sound similar, but they serve different purposes. Both can help organizations manage network traffic and improve security, y...
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Passkey vs. password: Which is safer for your digital identity?
For years, passwords have been the default way to protect online accounts. But as cyberattacks become more sophisticated and passkeys gain support from major tech companies, authentication is changing...
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