Latest Cybersecurity News
Attack Surface: What an Attacker Can Reach
A service can stay exposed after its job ends. Here's how to map the access that remains and separate a needed feature from a security flaw.
Network Ports: How Numbers Sort Traffic Between Programs
Follow a request and its reply, see why TCP and UDP have separate ports, and learn what an “open” result actually establishes.
What Counts as a Cybersecurity Incident?
A computer event, a security alert and an incident mean different things. Learn how evidence turns a warning into a decision about harm and urgency.
What Does a Router Do? Follow a Packet to Its Next Stop
Routing moves data between networks. Wi-Fi, switching, modem access and traffic filtering are separate jobs that may share the same box.
Business Continuity Planning: Keep Essential Work Moving
When normal operations stop, the urgent work remains. How a BCP connects business priorities, people, workarounds and recovery targets.
Redundancy: What a Second System Can Keep Running
A spare server can share the same weak point as the first. See what redundancy can keep running, where failover breaks down and why backups still matter.
gethostbyname(): What the Name Lookup Actually Returns
C and Python share the name but return different results. Here’s how the lookup works, where it gets an answer, and why IPv6 needs another option.
Emanations Analysis: What a Device's Stray Signals Can Reveal
Keyboard sounds and display-cable emissions can carry unintended clues. Published experiments show the possibilities and the conditions behind them.
