• by Admin

Zero Day Attacks: What Are They, How Do They Work

Understanding a Zero-Day Attack

Zero-day attacks are the same as malicious actors because they use zero-day exploits to install malware, steal data, or cause damage to users, organizations, or systems. Zero-day attacks are a type of cyberattack that takes advantage of software vulnerabilities. This happens because the attacker exploits the data on the same day that the vulnerability is discovered, meaning that the software publisher or developer has not only 0 days to fix or patch it.

To reduce the risk of zero-day attacks, users and organizations should prioritize security updates, monitor security information, and take precautions appropriate for the types of devices and software they use. In addition, reporting vulnerabilities to regulators and manufacturers of IoT devices or software is an important step to improving overall security.

Common vulnerable areas of zero-day attacks are as follows:

• Microsoft applications:  Malware inserted into documents or files often exploits zero-day vulnerabilities in Microsoft applications such as Microsoft Office (Word, Excel, PowerPoint) to execute malicious scripts. Users should ensure that they are running the latest software versions and applying the latest security patches.

• Internet of Things (IoT): Many IoT devices do not have adequate software update mechanisms. This makes them vulnerable to attacks due to vulnerabilities that may exist in their devices. IoT device users should choose products with good software update support.
• Open-source software: Become a target for zero-day attacks if it is not regularly maintained or lacks proper security procedures. Developers and users of open-source software should play a role in monitoring vulnerabilities and applying updates when available.

• Operating Systems:  Often the primary target of zero-day attacks due to its popularity. An attacker who successfully exploits a zero-day vulnerability in the operating system can take over the user's computer. It is important to ensure the operating system is kept up to date with the latest security patches.

• Web browsers: A popular target for zero-day attacks as it is the main entry point to the Internet. Unpatched vulnerabilities in browsers can allow attackers to execute malicious scripts or execute malware. Users should always keep their browsers updated with the latest version and consider using additional browser security tools.

How to Fix a Zero-Day Attack

The threat of zero-day attacks highlights the importance of proactive security measures and the need for users or organizations to remain vigilant and be able to apply security patches to minimize the potential impact of these dangerous and elusive cyberattacks. 

The number one solution to addressing zero-day attacks is to apply software patches. Developers will be able to identify exploits and apply fixes quickly. While on the user side, it is expected to update software and browsers to apply these security patches. 

Want to join the fight against Zero Day attacks? In this fast-growing industry, now is the perfect time. Get the practical skills you need with Perkom!

Author: Ghea Devita

Marketing Communication PT Perkom Indah Murni