Who are hackers. What can we do to protect from them.

Check this site for information about hackers.

http://en.wikipedia.org/wiki/Hacker

You can try to protect your computer from hackers by installing a firewll.

Hackers are individuals who use their technical knowledge and skills to gain unauthorized access to computer systems and networks. They may carry out malicious activities such as stealing sensitive information, disrupting services, or causing damage to systems.

To protect yourself from hackers, there are several measures you can take:

1. Use Strong and Unique Passwords: Create complex passwords that include a combination of uppercase and lowercase letters, numbers, and special characters. Use different passwords for each of your online accounts.

2. Keep Software Updated: Regularly update your operating system, antivirus software, web browsers, and all other applications. Updates often include security patches that help fix vulnerabilities.

3. Install a Firewall: Use a firewall to monitor and control incoming and outgoing network traffic. A firewall helps block unauthorized access to your system and acts as a first defense against hacking attempts.

4. Use Antivirus Software: Install reputable antivirus software that can detect and remove malicious software, such as viruses, worms, and Trojans. Keep the antivirus software up to date.

5. Be Cautious of Phishing Attacks: Be wary of email messages, attachments, or clickable links that appear suspicious or ask for personal information. Avoid clicking on unknown links or downloading files from untrusted sources.

6. Enable Two-Factor Authentication: Enable two-factor authentication whenever possible. This adds an extra layer of security by requiring a second form of verification, such as a code or fingerprint, in addition to your password.

7. Regularly Backup Your Data: Back up your important files and data regularly, either to an external hard drive or to a secure cloud-based service. This ensures that even if your system is compromised, you can still recover your data.

8. Educate Yourself: Stay informed about the latest hacking techniques and threats. Be cautious of scams and social engineering techniques used by hackers to trick people into revealing their personal information.

Remember that no security measure is completely foolproof. It is important to employ a combination of these measures and stay vigilant to protect yourself from hackers.