Tag: CAPTCHA
It’s hard to get through any news cycle today without bots coming up. Those we hear about most spread spam, propagate fake news, or create fake profiles and content on social media sites—often to influence public opinion, spark social unrest, or tamper with elections. During the 2016 US presidential election debates, bots were used on…
Read MoreCredential Stuffing Causes Outages It’s not hard for attackers to find poorly defended web logins. Many sites often have only a basic web application firewall (WAF), or nothing at all. Many WAFs do not detect or defend against credential stuffing attacks. In general, WAFs are designed to block application attacks, malformed requests, and web exploits.…
Read MoreInformation security often takes the form of an arms race, as attackers develop novel ways to use or abuse services on the web to their own benefit, and defenders scramble to adapt to and block these new techniques. Few technologies better exemplify this arms race than the web element known as CAPTCHA. This component is…
Read MoreThere’s something undeniably compelling about a good myth. Maybe that’s because a dose of escapism does our brain good, and it’s fun to spend a few moments wondering about deadly alligators populating the New York City sewer system or Walt Disney’s cryogenically frozen head waiting to be brought back to life. But while those myths…
Read MoreAs Figures 5 and 6 illustrate, CAPTCHA solver services have made it possible for attackers to completely circumvent CAPTCHAs, including Google’s latest version called CAPTCHA Enterprise (not shown here). The Business of Human CAPTCHA Solvers In many respects, CAPTCHA solver services operate like any legitimate enterprise, and they are clearly in business to make a…
Read MoreWhat Is Credential Stuffing? Credential stuffing occurs when a cybercriminal obtains a large number of stolen or leaked login credentials—username and password pairs—for one website and tests them on the login pages of other websites. The attacker’s goal is to gain unauthorized access to as many user accounts as possible and then carry out other…
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