IT teams should be aware of these attacks and take active measures to protect against them by 2025
Typical security threats can have a lasting impact on a company’s business operations, especially if the IT team is unprepared. The Allianz Risk Barometer 2025 confirms that cyber threats are viewed across all industries as the greatest risk to businesses. But which threats are particularly relevant?
We present the 10 most common threats to information security and show how companies can protect themselves against them.
1. Insider threats
If employees or external service providers ignore or deliberately circumvent security policies, this can have serious consequences. Whether it’s an accidental data leak or a deliberate data breach, access controls, two-factor authentication, and monitoring tools are essential.
2. Viruses and worms
Malware such as viruses or worms can spread rapidly across networks. Often, all it takes is an outdated system. The solution lies in up-to-date antivirus software, secure email practices, and regular updates.
3. Botnets
Infected IoT devices and computers in a botnet can be exploited for DDoS attacks or spam. The best defense: network analysis, patch management, and anti-botnet technologies.
4. Drive-by downloads
All it takes is one wrong click: simply visiting a compromised website can allow malware to infect your device. Regular updates and web filters can help prevent this.
5. Phishing
Fake emails and websites prompt users to disclose confidential information. Awareness training, anti-phishing filters, and passkeys can help prevent such attacks.
6. DDoS attacks
High traffic volumes can overload websites and servers to the point of failure. Proper preparation includes traffic monitoring, contingency plans, and sufficient capacity reserves.
7. Ransomware
System lockdown and encryption in exchange for ransom: Ransomware is one of the most dangerous threats. Regular backups and network segmentation are essential.
8. Exploit kits
These toolkits automate attacks on vulnerabilities and require no programming knowledge. Robust endpoint protection and vulnerability management provide protection.
9. Advanced Persistent Threats (APT)
Targeted, long-term espionage through undetected access. Suspicious network activity—such as that involving databases or user behavior—should be monitored using anomaly detection.
10. Malvertising
Malicious ads redirect users to compromised websites or install malware. The solution: ad blockers, regular website scans, and secure update processes.
Conclusion: Proactive security strategies are crucial
Cyberattacks are no longer a rare occurrence; they are now a daily reality, and they are becoming increasingly sophisticated. The ten information security threats outlined here demonstrate just how diverse the attack vectors for businesses have become. The spectrum of potential threats ranges from careless employees to highly professional APT groups.
That is why IT teams must not only respond to issues as they arise, but above all, take a proactive approach. Clear security policies, regular training, technical safeguards, and continuous monitoring together form a strong line of defense. By implementing a robust security strategy now, organizations can protect not only their data and systems, but also the trust of their customers, partners, and employees.