For the layman, one of the more common doubt is the difference between DoS and DDoS attacks. No, it’s not like some people think a misspelling. DoS stands for Denial of Service, and DDoS stands for Distributed Denial of Service.
Their name already can sense the difference. A DoS attack is made from a single machine to a victim. In a DDoS, the attack generation is instead Distributed across multiple computers. The advantage is obvious, in fact, with most machines is possible generate an attack much larger than a computer, hackers created botnets (networks of computers controlled by hackers) to tens of thousands of computers.
But the sheer scale of the attack is not the only advantage to hackers in a DDoS attack. A DoS attack is more easily mitigated, as it can not generate a lot of bandwidth, and especially it comes from a single IP address. It, especially in an attack on Layer 7, can be easily identified, and you can block the malicious IP in your firewall. Continue reading