What is a DDoS attack?

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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.

VPN stands for Virtual Private Network. It is a technology that allows users to create a secure and encrypted connection over a less secure network, typically the internet. VPNs are commonly used to protect sensitive data, maintain online privacy, and access content that may be restricted based on geographic location.

How it works:

  • Attackers use a network of infected machines (called a botnet) to send massive amounts of requests or data.

  • This flood exhausts the target’s resources (like bandwidth, CPU, memory), causing it to slow down or crash.

  • Legitimate users cannot access the service because it’s overwhelmed.

Types of DDoS attacks:

  • Volume-based attacks: Overwhelm bandwidth with high traffic (e.g., UDP floods).

  • Protocol attacks: Exploit weaknesses in network protocols (e.g., SYN floods).

  • Application layer attacks: Target specific applications to exhaust resources (e.g., HTTP floods).

Impact:

  • Downtime, lost revenue, reputational damage.

  • Sometimes used as a distraction for other cyberattacks.

Read More 

What is social engineering?

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