Some of the most common cyber security issues include: Malware: Including spyware, adware, ransomware, and bots, malware is used to infiltrate systems and restrict access, damage, or steal sensitive data assets. Phishing: Utilizes corporate or personal email to trick readers into clicking links which release malware into their systems or otherwise fraudulently obtain sensitive data. Smishing: Similar to phishing, users are tricked into clicking on links that have been texted to them, unleashing malware or otherwise fraudulently obtaining sensitive data.