Avoiding downtime: modern alternatives to outdated certificate pinning practices

In today’s world, technology is quickly evolving and some practices that were once considered the gold standard are quickly becoming outdated. At Cloudflare, we stay close to industry changes to ensure that we can provide the best solutions to our customers. One practice that we’re continuing to see in use that no longer serves its […]

How to Enable HTTP/2 On a Server

HTTP/2 is a game-changer in web protocol technology, offering significant improvements in speed, efficiency, and security over its predecessor, HTTP/1.1. With features like multiplexing, header compression, and server push, HTTP/2 can drastically reduce web page load times and enhance the overall user experience. Additionally, HTTP/2 is enabled by default for Sucuri’s Web Application Firewall (WAF), […]

Attackers Abuse Swap File to Steal Credit Cards

When it comes to website security, sometimes the most innocuous features can become powerful tools in the hands of attackers. Such was the case in a recent incident we investigated, where bad actors exploited the humble swap file to maintain a persistent credit card skimmer on a Magento e-commerce site. This clever tactic allowed the […]

How to Set Cache Control Headers

When it comes to your website performance, every millisecond counts. Whether you’re managing a personal blog or a large-scale e-commerce site, the speed at which your pages load can profoundly impact everything from user experience to search engine rankings. This is where using HTTP headers, specifically cache control headers, can come in really handy. HTTP […]

New Variation of WordFence Evasion Malware

We recently came across an infected WordPress environment which contained a new variation of WordFence evasion malware using some sneaky tactics to conceal itself from view. The site administrator was reporting some issues with potential credit card theft malware on their website, but they had already removed that themselves by the time we arrived at […]

WordPress User Enumeration: Risks & Mitigation Steps

User enumeration is a technique used by attackers to discover valid usernames associated with a CMS or website. By exploiting certain features, bad actors can compile a list of usernames, which can then be used to launch brute force attacks. These attacks systematically try various password combinations to gain unauthorized access to user accounts on […]

WordPress Vulnerability & Patch Roundup June 2024

Vulnerability reports and responsible disclosures are essential for website security awareness and education. Automated attacks targeting known software vulnerabilities are one of the leading causes of website compromises. To help educate website owners about potential threats to their environments, we’ve compiled a list of important security updates and vulnerability patches for the WordPress ecosystem this […]