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Sucuri’s 10th Anniversary

It feels like yesterday, but it has been 10 years since the domain sucuri.net was registered. Happy 10th Birthday, Sucuri! For us, 2009 marks the birth of the brand as it represents the day when the...

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Product Update: Sucuri Firewall in Singapore and Amsterdam

Over three years ago, we transitioned the Sucuri Firewall (WAF) away from the cloud and expanded it to run on top of our own Anycast content delivery network (CDN). We provide security for websites...

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Sucuri Enhances Security by Disabling TLS Version 1.0 and 1.1

Protecting our users’ information and privacy is extremely important to us. As a cloud-based security service, we are fully committed to complying with the PCI Data Security Standards (PCI DSS)...

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Introducing the New Sucuri Customer Dashboard

Over the course of the last year, our teams have been getting creative and making a collaborative effort to improve the experience of our customer dashboard. Website security is multifaceted and we...

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RCE Attempts Against the Latest WordPress REST API Vulnerability

We are starting to see remote command execution (RCE) attempts trying to exploit the latest WordPress REST API Vulnerability. These RCE attempts started today after a few days of attackers (mostly...

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WordPress REST API Vulnerability Abused in Defacement Campaigns

WordPress 4.7.2 was released two weeks ago, including a fix for a severe vulnerability in the WordPress REST API. We have been monitoring our WAF network and honeypots closely to see how and when the...

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WordPress Performance Optimization Guide

Since launching our website performance testing tool we have been getting a lot of questions about how to improve the speed and performance of WordPress websites. Many website owners are not aware how...

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Hacked Website Report – 2016/Q3

Today we are proud to release our quarterly Hacked Website Report for 2016/Q3. This report is based on data collected and analyzed by the Sucuri Remediation Group (RG), which includes the Incident...

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Ask Sucuri: How to Stop Brute Force Attacks?

Ask Sucuri: My site is under a brute force attack. What can I do? How can we solve this password guessing problem known as brute forcing? This is a common question we get from users of our WordPress...

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Joomla Exploits in the Wild Against CVE-2016-8870 and CVE-2016-8869

Exactly 3 days ago, the Joomla team issued a patch for a high-severity vulnerability that allows remote users to create accounts and increase their privileges on any Joomla site. Both issues combined...

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Joomla Account Creation Vulnerability

The Joomla team released a patch for a serious security vulnerability affecting all Joomla versions from 3.4.4 and up. If you’re using one of these versions of Joomla, you’re encouraged to update...

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Security Through Confusion – The FUD Factor

The FUD factor has been employed by sales and marketing teams from multiple industries for decades. It stands for fear, uncertainty, and doubt (FUD) and first appeared in the 70’s as a tactic used in...

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SSH Brute Force Compromises Leading to DDoS

A few weeks ago we ran an experiment to see how long it would take for some IPv4-only and IPv6-only servers to be compromised via SSH brute force attacks. We configured five cloud servers on Linode and...

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What is the Status of IPv6 Adoption?

The internet is a complex ecosystem of interconnected devices, and at its core is the Internet Protocol (IP). This protocol is currently in its second major incarnation (IPv6) but many are only...

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Hacked Website Report – 2016/Q2

Today we’re releasing our quarterly Hacked Website Report for 2016/Q2. The data in this report is based on compromised websites we worked on, with insights and analysis performed by our Incident...

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Product Update: Sucuri Firewall in Tokyo, Japan

For the last couple of years, we have been transitioning the Sucuri Firewall (WAF) away from the cloud and expanding it to run on top of our own Anycast content delivery network (CDN). We provide...

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IoT Home Router Botnet Leveraged in Large DDoS Attack

We have been monitoring a large-scale Layer 7 HTTPS flood attack (i.e., application level DDoS) against a customer over the past few weeks. It is being distributed across 47,000 IP addresses and has...

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IPv4 vs IPv6 Performance Comparison

IPv6 usage has been growing very slowly through the last 10 to 15 years. Since mid-2015 it started to pick up and increase adoption at a rapid pace. Google, for example, has been tracking their IPv6...

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Browser/OS Statistics From Half Billion Blocked Attacks

The need to make better sense of markets is paramount to the way businesses are run and decisions are made. We see this with the proliferation of online services that allow us to better gauge and...

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PCI for SMB – Requirement 2- Do Not Use Defaults

If you have an ecommerce website and you accept credit cards from your clients, you probably already heard of the term PCI compliance. PCI DSS (Payment Card Industry – Data Security Standard) is a...

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