August 20, 2018 3:53PM
How Cloudflare protects customers from cache poisoning
A few days ago, Cloudflare — along with the rest of the world — learned of a "practical" cache poisoning attack. In this post I’ll walk through the attack and explain how Cloudflare mitigated it for our customers....
April 24, 2018 10:31PM
BGP leaks and cryptocurrencies
Over the few last hours, a dozen news stories have broken about how an attacker attempted (and perhaps managed) to steal cryptocurrencies using a BGP leak....
April 20, 2018 4:14PM
Keeping Drupal sites safe with Cloudflare's WAF
Cloudflare’s team of security analysts monitor for upcoming threats and vulnerabilities and where possible put protection in place for upcoming threats before they compromise our customers....
March 29, 2018 4:10AM
Cloudflare is adding Drupal WAF Rule to Mitigate Critical Drupal Exploit
Drupal has recently announced an update to fix a critical remote code execution exploit (SA-CORE-2018-002/CVE-2018-7600). This patch is to disallow forms and form fields from starting with the “#” character....
February 27, 2018 2:38PM
Memcrashed - Major amplification attacks from UDP port 11211
Over last couple of days we've seen a big increase in an obscure amplification attack vector - using the memcached protocol, coming from UDP port 11211. In the past, we have talked a lot about amplification attacks happening on the internet....