CloudFlare Detects 54% Increase in DDoS Attacks in 2021

Distributed Denial of Service (DDoS) attacks are a malicious form of cyberattack that leverages a vast network of computers to launch a coordinated attack on a target website or server. The purpose of this type of attack is to overwhelm the targeted resource with malicious requests, making it unavailable for legitimate users. As the threats posed by DDoS attacks continue to increase, it is essential to have a comprehensive understanding of what they are and how they work.

A DDoS attack is launched by a network of computers, referred to as “botnets”, which are controlled by a malicious actor. The botnets generate an immense amount of requests to the target website or server, flooding it with traffic and making it inaccessible to legitimate users. The goal of this attack is to overwhelm the website or server and make it unable to respond to valid requests.

When it comes to DDoS attacks, it is important to understand the difference between them and ransomware. Ransomware is a type of malware that encrypts files on a computer, making them inaccessible until a ransom is paid. For successful execution, ransomware requires additional information such as passwords or encryption keys. On the other hand, DDoS assaults only require knowledge of the website address and/or the IP address in order to be performed.

In this article, we will explore the key features of a typical DDoS attack, recent statistics on DDoS attacks, and the largest DDoS attack recorded to date.

2. What are the Characteristics of a Typical DDoS Attack?

A typical DDoS attack takes advantage of overwhelming a website with an excessive number of HTTP requests created by a network of robotized computers (botnets). These requests can be sent from multiple IP addresses, making it hard for the target website or server to identify the source of the attack. Moreover, many DDoS assaults leverage HTTP/2 protocol and can be launched from a big pool of more than 30,000 IPs located on different cloud providers.

In addition, DDoS attacks are not limited to web-based services. In fact, they can also be used to target application-level protocols such as DNS, SSH, FTP, SMTP and VoIP.

3. Recent Statistics on DDoS Attacks

Recent statistics show that there has been an impressive 79% yearly increase in the number of DDoS attacks observed worldwide. According to data collected by Kaspersky Lab, this upward trend shows no signs of slowing down anytime soon. It is estimated that in 2020 alone, there will be more than 6 million DDoS attacks worldwide.

These stats demonstrate the severity of the threat posed by DDoS attacks and why organizations need to take steps to protect against them. It’s important to note that many organizations are still unprepared for these types of attacks and do not have adequate safeguards in place.

4. The Largest DDoS Attack Recorded

CloudFlare reported the biggest known DDoS assault to date, with an estimated 71 million requests per second coming from a wide range of IP addresses located in China and other countries around the world. This attack started in February 2020 and lasted more than 24 hours before it was finally mitigated by CloudFlare’s security team.

This incident serves as an important reminder that no organization is immune from DDoS attacks and even those with advanced security measures in place can be vulnerable if they don’t take steps to protect against these threats.

5. Strategies for Preventing DDoS Attacks

Organizations should take steps to safeguard against potential DDoS attacks by implementing measures such as:

• Utilizing Firewalls: Firewalls can help detect and block malicious traffic before it reaches its intended target. This type of protection is essential for organizations that do not have access to cloud-based solutions or may not have enough resources to deploy them.

• Increasing Bandwidth Capacity: Increasing bandwidth capacity can help mitigate against large-scale DDoS assaults by allowing more legitimate traffic through while blocking malicious requests. Organizations should also consider leveraging content delivery networks (CDN) which can help spread out requests across multiple servers and reduce the risk of being overwhelmed by malicious traffic from one source.

• Monitoring Network Traffic: Organizations should monitor network traffic for any suspicious activity that could indicate an attack is underway or about to occur. This includes monitoring for source IP addresses that generate unusually high amounts of traffic or suspicious patterns such as multiple requests sent from different locations but all targeting the same resource.

• Leveraging Cloud-Based Solutions: Cloud-based solutions can help organizations protect against DDoS attacks by providing additional layers of protection from malicious traffic and providing access to more powerful hardware resources which can help mitigate large-scale assaults more effectively than traditional solutions alone.

6. Conclusion

DDoS attacks have become increasingly common as malicious actors seek to take advantage of unprotected websites and servers. In order to protect against these types of cyberattacks, it is essential to understand what they are and how they work. This article has provided an overview of DDoS attacks, including their differences from ransomware, their characteristics, recent statistics on their frequency, the largest known attack recorded to date, and strategies for preventing them in the future.

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