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How to fix the “RPC server is unavailable” error on Windows
The “RPC server is unavailable” error appears when Windows can’t communicate with a required service or another system, such as during disk management tasks or when connecting to a domain contro...
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What is a pass-the-hash attack and how to prevent it
Windows has several ways to verify a user's identity on a network. One of the older methods is the New Technology LAN Manager (NTLM) protocol. It converts a password into a cryptographic value known a...
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What is a proxy server?
Proxy servers are widely used networking tools that sit between a client, such as your browser, and a destination server, such as a website. With a proxy server in your traffic path, your data doesn't...
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Ultimate guide to Android privacy settings for enhanced security
Android devices usually store a wide range of personal information, and that data can be put at risk if apps and connections get more access than they need. Fortunately, Android includes many built-in...
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Bank of America phishing emails: How to identify and report
Bank of America may contact customers by email about account activity, security alerts, or service updates. But scammers can also impersonate the bank in messages that are designed to look legitimate....
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What is DD-WRT? Benefits and risks of installing it
Routers come with default firmware and settings, but they can be limiting if you need more customization or to extend Wi-Fi coverage. DD-WRT is an option that may offer better functionality, connectio...
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Card testing fraud explained: How it works and how to stop it
Card testing fraud is a common tactic used by cybercriminals. It involves testing whether a stolen card is valid, typically by making small purchases or authorization attempts. This can lead to larger...
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What is identity verification? A comprehensive overview
Identity verification is the process that confirms you are who you claim to be before you’re granted access to services, accounts, or restricted areas. Outside of physical paper-based documentation ...
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What is a VPN concentrator? Understand its role today
As organizations shift to hybrid and remote models, secure remote access has become a core IT requirement. Virtual private netwoks (VPNs) are widely used to meet this need by encrypting remote connect...
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What is email encryption, and why does it matter?
Email encryption is a security method that protects the contents of an email. It matters because, without encryption, emails would travel across the internet in plaintext, making it easy for third par...
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