As the use of technology continues to grow, so does the risk of cyberattacks. Brute force attacks are a common form of attack where hackers use automated tools to try multiple passwords or encryption keys to gain access to a system.
To prevent such attacks, several techniques can be implemented;
1. Implement strong password policies. For a comprehensive approach to preventing brute force attacks, use complex passwords. It includes requiring that passwords be a minimum length, and a mix of uppercase and lowercase letters, numbers, and special characters. It will help ensure that passwords are not susceptible to brute-force attacks. Plus, enforcing regular password changes and limiting the number of failed login attempts can further help mitigate the risk of such attacks.
Related: 7 Tips for Strong Password Security
2. Set user account restrictions. Limiting administrative privileges to only those who require them can help lessen the impact of a potential attack. Additionally, role-based access control can help prevent unauthorized access to sensitive information. By limiting user access and privileges, organizations can better enforce security protocols and create a layered defense against brute-force attacks.
3. Implement multifactor authentication. This approach requires users to provide additional proof of identity beyond just a password. For example, this can be a fingerprint scan or a one-time code sent to the user’s phone. By requiring additional verification, organizations can make it much harder for attackers to gain access to sensitive information even if they manage to crack the user’s password.
4. Use CAPTCHA as a login requirement. CAPTCHA, or Completely Automated Public Turing Test to Tell Computers and Humans Apart, is a challenge-response test used to determine whether a user is human or not. It can help prevent automated bots from generating multiple login attempts and wasting resources on the system. Requiring a user solve a simple puzzle or enter a code, CAPTCHA can decrease the risk of successful brute-force attacks.
5. Adopt threat detection tools. These tools can help organizations identify and mitigate suspicious activities, such as multiple failed login attempts or irregular access patterns. By detecting and responding to these threats promptly, you can prevent brute force attacks before they can cause significant damage.
6. Use secure, encrypted connections. Ensure connections to systems are secure and encrypted by implementing protocols such as SSL or TLS, which encrypt data in transit between the user’s device and the server. Encrypted connections help ensure that any data transmitted between the user and the system is secure, making it harder for attackers to intercept and use in a brute-force attack. Furthermore, encrypting data at rest, such as on servers or databases, can add another layer of protection against potential attacks.
Related: Why do you need an SSL Certificate?
7. Change the URLs of login pages. Attackers often use automated bots to scan for login page URLs, such as /wp-admin or /admin. By changing the default URL to something unique, you make it harder for attackers to find the login page and launch a brute-force attack. Plus, hiding the login page behind a virtual private network (VPN) or firewall can provide an extra layer of protection.
Implementing a combination of preventative measures can reduce the risk of a successful brute-force attack on an organization’s systems. From setting user account restrictions to using multifactor authentication and threat detection tools, each measure adds another layer of defense against attackers. Additionally, secure and encrypted connections and changing login page URLs can make it much harder for attackers to gain access. By taking a proactive approach to security and implementing these techniques, organizations can better protect their sensitive information and foster a safer digital environment.
Related: Cybersecurity Tips & Best Practices