What Is Spear Phishing? The Attack That Reads Your LinkedIn First

What spear phishing is, how it differs from bulk phishing, whaling and BEC, how attackers research targets and why AI makes it cheap, two documented cases, red flags to teach users, the controls that stop it and a first-hour playbook.

What Is Hashing? Data Fingerprints from ISOs to Passwords

Hashing explained for IT and security teams: how hash functions work, hashing vs encryption, checking file hashes with Get-FileHash, certutil and sha256sum, salted password hashing, digital signatures, and why MD5 and SHA-1 are retired.

What Is a Broadcast Storm? How One Cable Takes Down a Network

A broadcast storm is a Layer 2 loop that lets broadcast frames circle forever and takes a whole office offline at once. Here is what causes one in a small office, how to find the loop in the first ten minutes, and the switch settings that stop the next one.

What Is an IPsec VPN? IKE, ESP and Tunnel Mode Explained

An IPsec VPN is an encrypted tunnel built from two protocols: IKE agrees on keys and settings, ESP encrypts the packets. This guide covers tunnel vs transport mode, IKEv1 vs IKEv2, NAT traversal, the IPsec vs TLS VPN vs WireGuard trade-off, and the phase 1 and phase 2 failures behind most broken site-to-site tunnels.

What Is Failover? Redundancy for Networks and Servers

Failover is the automatic switch from a failed component to a ready spare. Here's where it lives in a small network, active-passive vs active-active, why failback is the hard half, and how to test it before it matters.

What Is a BSSID? The Address Behind Every Wi-Fi Name

The SSID is the Wi-Fi name; the BSSID is the address of one radio on one access point. What it reveals about roaming, sticky clients and evil twins, and how to read it on Windows, macOS and Linux.

What Is PGP? Keys, Signatures and the Jobs It Still Does in 2026

What PGP is, how its keys and signatures work, where IT teams still meet it in 2026 and what replaced it for everyday email.

The Cyber Threats Hitting Small Businesses in 2026

The cyber threats hitting small businesses in 2026, ranked by claims and incident data: business email compromise, session token theft, ransomware through stolen logins, spoofed internal mail, vendor compromise, unpatched edge devices, stale accounts and help desk impersonation. How each one lands, what blocks it, and a 90-day order of work.

What Is MMC? The Microsoft Management Console Explained

MMC is the empty Windows console that hosts snap-ins like Services and Event Viewer. The .msc names to know, custom consoles, remote fixes and the 2024 MSC file block.

What Is IP Spoofing? How Forged Packets Work and What Stops Them

IP spoofing forges the source address on a packet so replies and blame land on someone else. This guide explains how it works, why it powers reflection DDoS, how it slips past address-based allowlists and LAN defenses, and the filtering a small IT team can switch on in an afternoon.

What Is a Browser Extension? The Permissions Your Users Just Granted

A browser extension is a program with the keys to the browser. This guide covers the permission prompt, Manifest V3, the Cyberhaven and ShadyPanda hijacks, and how to allowlist extensions with Chrome and Edge policy.

NinjaOne Pricing per Device in 2026: The Range, the Math, the Discounts

NinjaOne's published per-device range for 2026, the math by fleet size, what moves a quote, trial, billing and cancellation terms, discounts, and how per-device pricing compares with Atera, Syncro, Action1 and OpenFrame.