Browsing tag

CAPTCHA

How Multi-Stage Phishing Attacks Exploit QRs, CAPTCHAs, and Steganography

Phishing attacks are steadily becoming more sophisticated, with cybercriminals investing in new ways of deceiving victims into revealing sensitive information or installing malicious software. One of the latest trends in phishing is the use of QR codes, CAPTCHAs, and steganography. See how they are carried out and learn to detect them. Quishing Quishing, a phishing […]

Microsoft warns of credential phishing attack abusing open redirect links

So far, the ongoing phishing attack has utilized more than 350 unique domains to target Microsoft Office 365 users. Microsoft has warned about a new widespread phishing campaign in which scammers are abusing open redirect links to divert users to malicious websites and steal MS Office 365 credentials. In a detailed report, the IT security researchers […]

Threat actors using CAPTCHA to evade phishing, malware detection

According to researchers, cybercriminals are abusing legitimate challenge and response services like Google’s reCAPTCHA or deploying customized fake CAPTCHA-like validation. Palo Alto Networks’ Unit 42 researchers have published a detailed report on how cybercriminals exploit CAPTCHA features including Google’s I Am Not A Robot Function dubbed reCAPTCHA to carry out their scams against unsuspected users. These […]

How CAPTCHA is being used to bypass anti malware security scans and firewalls

The Completely Automated Public Turing test to tell Computers and Humans Apart, most commonly known as CAPTCHA, is a system for creating challenges that must be completed before users can advance on a website. According to IT system audit specialists, the main function of a CAPTCHA challenge is to prevent hackers from using automated bots […]

Hackers Hiding Malware behind Captcha to Bypass Secure Email Gateways

Hackers using Captcha to hide the presence of malware and to evade email security gateways. By using this technique attackers show that email is sent human and evades detection. Attackers use various social engineering methods to trick the users to believe the emails is from a legitimate source, here the email’s are from a compromised […]

New AI tool aims to make CAPTCHA a thing of the past

Text-based options for verification purposes on websites and other digital forums are going to be a thing of the past, that too, pretty soon. So, get ready to identify objects like cars, parks, and storefronts form CAPTCHA image grids. CAPTCHA is the abbreviation for Completely Automated Public Turing test to tell Computers and Humans Apart. […]

Malicious hackers and their interest in bypassing CAPTCHA

Hackers are looking for ways to bypass this security measure The topic is being discussed in multiple hacking forums hosted on deep and dark web. Threat actors have shown special interest in developing projects to bypass the implementation of the Completely Automated Public Turing Test to tell Computers and Humans Apart, most commonly known as CAPTCHA, […]

WordPress Captcha Plugin Contains Backdoor- 300,000 Websites at Risk

A warning has been issued by researchers disclosing the identification of a backdoor in yet another WordPress plugin called Captcha. This plugin already has nearly 300,000 installations, which shows how popular it is among the users. However, when WordFence identified that a backdoor was added to it after an update was released on December 4. […]

unCaptcha – Low Resource Defeat of reCaptcha’s Audio Challenge

Across the Internet, hundreds of thousands of sites rely on Google’s reCaptcha system for defense against bots (in fact, Devpost uses reCaptcha when creating a new account). After a Google research team demonstrated a near complete defeat of the text reCaptcha in 2012, the reCaptcha system evolved to rely on audio and image challenges, historically more difficult […]