[Mjulius513]

The threat that can harm an organization the most is ransomware. Ransomware is a cyberattack where criminals infect a system, encrypt important files, and demand payment to unlock them. It is extremely damaging because it can completely shut down business operations. When ransomware hits, employees lose access to systems, customers can’t be served, and the organization immediately loses productivity. The financial impact can be severe due to downtime, recovery work, and possible permanent data loss. Even if systems are restored, the organization may still suffer reputational harm and lose the trust of clients or partners.

A security officer can help prevent this threat by keeping systems updated, enforcing strong passwords, and requiring multi-factor authentication. They should ensure firewalls and antivirus tools are active and properly configured. Employee training is essential since many attacks begin with phishing emails. Regular offline backups and a strong incident response plan are also critical for limiting damage.