What are common types of cyber attacks today?

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Firewalls are like the security guards of a network—they monitor and control incoming and outgoing traffic based on predefined security rules. Their main job is to protect your network from unauthorized access, cyberattacks, and data breaches.  

1. Phishing Attacks

  • Definition: Fake emails, messages, or websites trick users into giving up personal or financial information.

  • Example: You receive an email that looks like it's from your bank asking you to "verify your account."

2. Ransomware

  • Definition: Malicious software that encrypts files and demands a ransom to unlock them.

  • Example: WannaCry and REvil attacks on hospitals, governments, and businesses.

3. Malware (Malicious Software)

  • Definition: Includes viruses, worms, trojans, spyware, and adware.

  • Goal: Steal data, damage systems, or spy on users.

  • Example: A trojan disguised as a useful program installs spyware.

4. Denial-of-Service (DoS) and Distributed DoS (DDoS) Attacks

  • Definition: Overwhelm a system or network with traffic, making it unavailable.

  • Example: Bots flood a website during an online sale, crashing it.

5. Man-in-the-Middle (MitM) Attacks

  • Definition: An attacker secretly intercepts and alters communication between two parties.

  • Example: Eavesdropping on public Wi-Fi to capture login credentials.

6. SQL Injection

  • Definition: Attackers insert malicious SQL code into a web form to access or manipulate a database.

  • Example: Bypassing login authentication to steal user data.

7. Credential Stuffing

  • Definition: Using stolen usernames and passwords from one breach to access other accounts.

  • Example: Reusing your Gmail password on Netflix allows hackers in if one service is breached.

8. Zero-Day Exploits

  • Definition: Attacks on unknown or unpatched software vulnerabilities.

  • Example: Exploiting a flaw in a web browser before the company releases a fix.

9. Insider Threats

  • Definition: Employees or contractors misuse access to harm an organization.

  • Example: A disgruntled staff member steals or leaks sensitive files.

10. Social Engineering

  • Definition: Manipulating people into revealing confidential information.

  • Example: A fake tech support call asking for your login credentials.


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