12 Most Common Cyberattacks: How to Spot and Prevent Them Today, several types of cyberattacks can break into your IT systems, but you can stay ahead of them with the right tools. We'll discuss the 12 most common threats in this video. Before we begin, be sure to subscribe to NinjaOne's IT Video Hub for more tech content like this. The reality of cyberattacks. According to recent research, 93% of organizations are vulnerable to cyberattacks these days. Simply installing anti-virus software and hoping for the best isn't enough. Effective cyber threat prevention requires a multi-layered strategy that includes technical safeguards, ongoing education, and constant vigilance. Why cybersecurity should evolve. Today’s attackers are more sophisticated— and so should your defenses be. Regular audits, real time monitoring, and user training aren’t optional— they're essential. You're not just protecting data; you're protecting trust, operations, and reputation. The 12 most common cyberattacks. Now let's break down the 12 most common types of cyberattacks: Malware is harmful software that infects your devices via emails or downloads. Ransomware locks your data until you pay a ransom. Spoofing is where attackers impersonate trusted sources to steal your data. Phishing involves fake messages that trick employees into revealing sensitive info. Denial-of-service (DoS) attacks overload your network to take systems offline. Trojan horses are malicious software disguised as legitimate files. Password attacks are brute-force attacks that crack weak or reused passwords. Social engineering is psychological manipulation to gain confidential access. Insider threats are risks within your organization, intentional or accidental. Cryptojacking involves hijacking your systems to mine cryptocurrency. Internet-of-Things (IoT) attacks exploit smart devices connected to your network. Drive-by downloads install malware automatically when you visit an infected website— no click required. Best practices for preventing cyberattacks. Finally, here are some best practices to strengthen your cybersecurity: Keep all software and systems up to date. Invest in strong, reliable antivirus and anti-malware tools. Enforce multi-factor authentication and least-privilege access. Use firewalls and VPNs to secure your networks. Back up your data regularly. Secure your endpoints and cloud environments. Continuously monitor threats in real time and maintain an up-to-date incident response plan. Cyber threats aren't going away anytime soon, but you don't have to face them unprepared. With the right tools and knowledge, you won't be caught off guard. For more information, check out our official blog post on the most common cyber attacks, linked in the description below.