security. Melih Abdulhayoğlu invited top browser providers and certification authorities to a round table to discuss creation of a central authority responsible for delivering digital certificate issuance best practice guidelines. Products Comodo Dragon (web browser) Comodo Ice Dragon (web browser) Comodo Internet Security Comodo System Utilities Comodo Mobile Security Comodo Endpoint Protection Controversies LinkedIn After a competitor commented on a Comodo employee posting that Comodo "stops all malware", the company CEO aggressively engaged on LinkedIn, such as insinuating that commenters were not qualified to work in cybersecurity, and replying to the majority of posts that the competitor's CEO was the one who "started it". Symantec In response to Symantec's comment asserting paid antivirus is superior to free antivirus, the CEO of Comodo Group challenged Symantec on 18 September 2010 to see whether paid or free products can better defend the consumer against malware. GCN'S John Breeden understood Comodo's stance on free Antivirus software and challenging Symantec: "This is actually a pretty smart move based on previous reviews of AV performance we've done in the GCN Lab. Our most recent AV review this year showed no functional difference between free and paid programs in terms of stopping viruses, and it's been that way for many years. In fact you have to go all the way back to 2006 to find an AV roundup where viruses were missed by some companies." Symantec responded saying that if Comodo is interested they should have their product included in tests by independent reviewers. Comodo volunteered to a Symantec vs. Comodo independent review. Though this showdown did not take place, Comodo has since been included in multiple independent reviews with AV-Test, PC World, Best Antivirus Reviews, AV-Comparatives, and PC Mag. Certificate hacking On 23 March 2011, Comodo posted a report that 8 days earlier, on 15 March 2011, a user account with an affiliate registration authority had been compromised and was used to create a new user account that issued nine certificate signing requests. Nine certificates for seven domains were issued. The attack was traced to IP address 212.95.136.18, which originates in Tehran, Iran. Moxie Marlinspike analyzed the IP address on his website the next day and found it to have English localization. Though the firm initially reported that the breach was the result of a "state-driven attack", it subsequently stated that the origin of the attack may be the "result of an attacker attempting to