Quishing is phishing delivered through QR codes — the pattern hides the URL from security tools and your own eyes, so the defense is never scanning codes from unsolicited messages.
A supply chain attack compromises a vendor, update mechanism, or dependency so malicious code rides in through a trusted channel — the defense is fewer dependencies, verified builds, and fast patch paths.
In a SIM swap, a fraudster moves your phone number to a SIM card they control — intercepting your SMS codes and password resets in the process; a carrier port-out PIN and non-SMS two-factor authentication stop most attacks.
Ransomware encrypts your files and demands payment, and modern crews also steal the data first — so the defense that matters most is a backup the attackers cannot reach.