Quttera web security blog

Shared Hosting Providers: Beware Server-Level Traffic Theft

9 Sep, 2019 malware redirects traffic direction systems blackhat SEO website security

Server-side cybersecurity is vitally important. A provider that fails to protect its hosted sites will suffer serious damage to its reputation and lose business.

Finding and Stopping Malicious HTTP Redirection

27 Aug, 2019 malware redirects website security malware cleanup malicious javascript infected website

If malicious redirects infiltrate a website, it’s important to get rid of them. It’s equally important to find and fix the vulnerabilities that allowed them and improve website protection.

Magento Skimmer in Google Analytics Plugin

14 Aug, 2019 Magento skimmer malware ecommerce quttera waf website security malware cleanup infected website

A credit card skimmer inserts a request for credit card information and sends the response to the attacker’s site. Recently we found another variant on the same trick, using the Google Analytics Pro plugin.

The Remote File Inclusion Vulnerability

15 Jul, 2019 remote file inclusion vulnerability vulnerability exploits quttera waf website security malware cleanup remove malware infected website

Learn what Remote File Inclusion Vulnerability is and how Quttera WAF can protect you from it.

Skimmer Malware in Magento

10 Jul, 2019 Magento skimmer malware ecommerce quttera waf website security malware cleanup infected website

We recently uncovered a skimmer that infects websites using Magneto. A speedy response is important, and we work to remove threats and get your site back online as fast as possible.

What Is Local File Inclusion Vulnerability?

8 Jul, 2019 local file inclusion vulnerability vulnerability exploits quttera waf website security malware cleanup remove malware infected website

If an intruder can get unrestricted files onto the server and then run them or make users download them, that site has what is called a local file inclusion vulnerability.

What is HTML Injection?

17 Jun, 2019 html injection attack quttera waf website security malware cleanup remove malware infected website

Learn more about HTML injection attacks and how Quttera WAF as a part of ThreatSign platform protects you from it.

CRLF Injection Attacks

6 May, 2019 crlf injection attack quttera waf web application firewall website security malware cleanup remove malware infected website

Learn more about CRLF injection attacks and how Quttera WAF as a part of ThreatSign platform protects you from it.

Cross Site Request Forgery Attacks

29 Apr, 2019 cross site request forgery attack quttera waf website security malware cleanup remove malware infected website

Learn how a Cross Site Request Forgery or CSRF attack works and how Quttera WAF as a part of ThreatSign platform protects you from it.

How a DNS Attack Could Steal Your Business Site Traffic

22 Apr, 2019 traffic direction systems ddos malware cleanup remove malware website security infected website

Defending against DNS attacks is difficult, but there are ways to reduce the harm they cause. Here are some tips to recognize the problem.

Protecting Your Website from Phishing Kits

25 Feb, 2019 phishing phishing kit 16 shop apple phishing website security hacking

Phishing schemes fool even careful people. Deceptive messages lead their victims to a website that looks like a legitimate login page for a well-known website

Quttera Web Application Firewall Statistics for 2018

29 Jan, 2019 web application firewall quttera waf website security vulnerability exploits malicious traffic

In July 2018 we launched our next-generation Quttera Web Application Firewall (WAF). In the period from July through December, it handled 48,180,062 requests and blocked 617,074 attacks.

Avoid Website Corruption when Migrating to PHP 7.2

21 Jan, 2019 php malware website security hacking infected website

If your website is presenting you with problems, it may not be malware. Recent cases have shown that when switching over to the latest PHP 7.2, there have been compatibility issues causing the site to crash.

Malvertising Hides Behind Legitimate Applications

14 Jan, 2019 malvertising malicious ads adware malware cleanup remove malware website security infected website

Malvertising often rides on a legitimate application, allowing it to take actions that the user hasn’t authorized - or worse.

Decoding Obfuscated JavaScript Using Google Chrome

7 Jan, 2019 malicious javascript obfuscated malicious javascript malware cleanup remove malware website security infected website

Google Chrome’s built-in developer tools give you everything you need to undo obfuscated JavaScript. If you run into some JavaScript which you think may be malicious, they can help you decipher it.

Generic PHP Backdoor Malware Without Eval

31 Dec, 2018 php malware wordpress malware malware cleanup remove malware website security infected website

While some users may be able to look for backdoor malware on their own, the hackers are using methods that are much trickier to detect. With ThreatSign, you can avoid backdoor malware, or even catch it before it’s too late.

PHP Backdoor Malware in WordPress Theme Files

9 Dec, 2018 php malware wordpress malware malware cleanup remove malware website security infected website

While running a malware cleanup on an infected WordPress site, we discovered a simple but deadly backdoor function in the active theme. When it’s in place, it lets an attacker run arbitrary PHP code using ordinary browser access.

Suspicious Icon Files on Your Website

14 Nov, 2018 malware cleanup remove malware website security wordpress malware infected website

Harmless-looking files on your website aren’t always harmless. They can be malware in disguise. By using a file extension that shouldn’t be able to execute, they avoid getting caught by anti-malware software.

Website Malware Removal Guide, Part 3: Post Cleanup and Hardening

11 Oct, 2018 malware cleanup remove malware website security wordpress malware infected website

Once your website is free of malware, it’s time to perform proactive steps to harden the website configuration and set up periodic checks to make sure the site stays clean.

Website Malware Removal Guide, Part 2: The Cleanup Process

10 Oct, 2018 malware cleanup remove malware website security wordpress malware infected website

Once you have completed the Website Malware Removal Guide, Part 1: Preparation, it’s time to begin part 2, the cleanup process

Malware clean-up and hacking recovery for websites

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