Trojans disguise themselves as harmless software and use persistence to survive removal. Use layered defenses - patched software, endpoint protection, behavior-based tools, and safe browsing - to prevent and remove them.
Antivirus remains a critical layer of defense. Modern solutions use signatures, behavior analysis, cloud lookups, and machine learning. Combine antivirus with updates, backups, and good habits for best protection.
A practical 2025 guide to choosing a computer: decide how you'll use it, pick an OS and form factor, prioritize CPU/RAM/storage/graphics, compare prices and reviews, and follow a post-purchase checklist.
Modern identity-protection "shields" combine firewalls, anti-malware and monitoring to reduce exposure to identity theft. Use layered defenses - updates, MFA, password managers, and monitoring - to detect and limit damage.