What Is a Trojan? How Trojan Horse Malware Works
What Is a Trojan? A Trojan (short for Trojan horse) is malware that disguises itself as legitimate or harmless software to trick you into installing and running it. Unlike a…
What Is Ransomware? How Ransomware Attacks Work
What Is Ransomware? Ransomware is malware that encrypts your files or locks you out of your system, then demands payment – almost always in cryptocurrency – to restore access. Unlike…
What Is a Zero-Day Vulnerability? How Zero-Days Work & Defenses
What Is a Zero-Day Vulnerability? A zero-day vulnerability is a software flaw that the vendor doesn’t know about and hasn’t patched. The name comes from the vendor’s perspective: they’ve had…
What Is a Mobile Device Vulnerability? Types, Examples & Defense
What Is a Mobile Device Vulnerability? A mobile device vulnerability is a weakness in a phone or tablet’s hardware, software, or communication protocols that an attacker can exploit to compromise…
What Is a Misconfiguration Vulnerability? Causes, Examples & Fixes
What Is a Misconfiguration Vulnerability? A misconfiguration vulnerability is a weakness created not by broken code, but by a setting that was left wrong: a default password never changed, a…
What Is a Cryptographic Vulnerability? Causes, Examples & Fixes
What Is a Cryptographic Vulnerability? A cryptographic vulnerability is a weakness in how data is encrypted – or in the algorithm, keys, protocol, or randomness behind that encryption – that…
What Are Supply Chain Vulnerabilities? Risks, Examples & Defenses
What Are Supply Chain Vulnerabilities? A supply chain vulnerability is a weakness introduced into a product, system, or service before it ever reaches the organization using it – in the…
What Are Cloud-Specific Vulnerabilities? Cloud vs. On-Prem Risk
What Are Cloud-Specific Vulnerabilities? Cloud-specific vulnerabilities are security weaknesses that exist because of how cloud computing works – not because of a coding mistake or a missed patch in the…
Virtualization Vulnerabilities Explained: VM Escape & Resource Reuse
What Are Virtualization Vulnerabilities? Virtualization vulnerabilities are security weaknesses that exist specifically because multiple virtual machines (VMs) share one physical host. A single hypervisor manages the CPU, memory, storage, and…
Hardware Vulnerabilities Explained: Firmware, EOL & Legacy Risks
What Are Hardware Vulnerabilities? Hardware vulnerabilities are weaknesses that live in a physical device itself, or in the code embedded directly on it – below the operating system, below antivirus,…