Diagnosing elusive network problems and detecting hidden security threats often requires a direct, packet-level view of network traffic. Port mirroring, a function built into modern switches, provides precisely this capability by [...]

Criminals can turn an ATM into a personal cash dispenser, bypassing card security entirely to drain its internal vaults. This type of attack, known as ATM jackpotting, represents a direct assault [...]

Every device on a network needs a unique address to communicate, but the method used to assign that address is a critical decision. Networks provide these identifiers in one of two [...]

A VPN is often pitched as an essential shield for online life, but its true value is far more specific. For some, it is an indispensable tool for security on public [...]

For nearly two decades, WPA2 has been the silent guardian of our wireless connections, protecting data across homes and businesses. As the successor to WPA, it implemented the advanced AES-based CCMP [...]

A free VPN can be a powerful tool for privacy, but choosing the right one requires caution. Many so-called “free” services come with hidden costs, from selling your browsing data to [...]