To commit a path traversal attack, a hacker attempts to use absolute file paths to gain access to data. That data can include config files and other sensitive files not meant for public consumption. Without a WAF, it’s easier for a nefarious character to pass off a fraudulent claim as authentic.Ī path traversal attack, also known as a directory traversal attack, is an exploit whereby a hacker accesses data stored outside of the root folder. A WAF can protect against an SQL injection by preventing requests associated with suspicious signatures. An SQL attack is often the result of a software security vulnerability (less than perfect backend code). Or, if they don’t steal the data, they can modify or delete it. That includes downloading the contents of an entire database, including intellectual property and customer information. With that in mind, here are three of the most common cyber-attacks that WAFs help to prevent.Ī SQL vulnerability allows a hacker to inject malicious code, allowing them to do many things that you’d prefer they didn’t. While they are quite effective at blocking certain types of attacks, they are not designed to protect against every threat. Importantly, WAFs are designed to work in conjunction with a full suite of security products like traditional firewalls and intrusion prevention systems. WAFs are programmed to detect several common threats, some of which we’ll address now. In practice, a WAF resides in front of a web application, like a bodyguard in front of the president, and screens all ingoing and outgoing HTTP traffic to block anything malicious. Instead, they act as a guard intended explicitly to monitor web-based traffic. WAFs are not designed to protect the “perimeter” of a computer network. In addition to following standard security procedures, installing a web application firewall, or WAF, is a fast and cost-effective way to enhance the security of your computer network. That’s an unfortunate truth however, the trend doesn’t have to continue. Hackers are continually refining their techniques, and the proof is in the numbers the number of data breaches in the United States has been steadily rising since 2008. Everyone knows you need a firewall, but installing one isn’t the final step in keeping your computer network safe.
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