Security vendor Imperva analyzed discussions going back several years from HackForums.net, one of the largest hacker forums with over 220,000 registered members. DDoS and SQL injection are the main types of attack discussed on hacking forums, according to Imperva’s research. The company’s researchers determined that DDoS was mentioned in 22 percent of discussions. SQL injection, a technique commonly used to compromise websites, is the second most frequently discussed attack method, being at the center of 19 percent of conversations.”]