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

How Multi-Stage Phishing Attacks Exploit QRs, CAPTCHAs, and Steganography
Nov 21, 2023 Cybercrime / Malware Analysis
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 technique resulting from the combination of "QR" and "phishing," has become a popular weapon for cybercriminals in 2023. By concealing malicious links within QR codes, attackers can evade traditional spam filters, which are primarily geared towards identifying text-based phishing attempts. The inability of many security tools to decipher the content of QR codes further makes this method a go-to choice for cybercriminals. An email containing a QR code with a malicious link Analyzing a QR code with an embedded malicious link in a safe environment is easy with  ANY.RUN : Simply open  this task  in th

CAPTCHA-Breaking Services with Human Solvers Helping Cybercriminals Defeat Security

CAPTCHA-Breaking Services with Human Solvers Helping Cybercriminals Defeat Security
May 30, 2023
Cybersecurity researchers are warning about CAPTCHA-breaking services that are being offered for sale to bypass systems designed to distinguish legitimate users from bot traffic. "Because cybercriminals are keen on breaking CAPTCHAs accurately, several services that are primarily geared toward this market demand have been created," Trend Micro  said  in a report published last week. "These CAPTCHA-solving services don't use [optical character recognition] techniques or advanced machine learning methods; instead, they break CAPTCHAs by farming out CAPTCHA-breaking tasks to actual human solvers." CAPTCHA  – short for Completely Automated Public Turing test to tell Computers and Humans Apart – is a tool for differentiating real human users from automated users with the goal of combating spam and restricting fake account creation. While CAPTCHA mechanisms can be a  disruptive user experience , they are seen as an effective means to counter attacks from bot-ori

GenAI: A New Headache for SaaS Security Teams

GenAI: A New Headache for SaaS Security Teams
Apr 17, 2024SaaS Security / AI Governance
The introduction of Open AI's ChatGPT was a defining moment for the software industry, touching off a GenAI race with its November 2022 release. SaaS vendors are now rushing to upgrade tools with enhanced productivity capabilities that are driven by generative AI. Among a wide range of uses, GenAI tools make it easier for developers to build software, assist sales teams in mundane email writing, help marketers produce unique content at low cost, and enable teams and creatives to brainstorm new ideas.  Recent significant GenAI product launches include Microsoft 365 Copilot, GitHub Copilot, and Salesforce Einstein GPT. Notably, these GenAI tools from leading SaaS providers are paid enhancements, a clear sign that no SaaS provider will want to miss out on cashing in on the GenAI transformation. Google will soon launch its SGE "Search Generative Experience" platform for premium AI-generated summaries rather than a list of websites.  At this pace, it's just a matter of a short time befo

Google Speech-to-Text API Can Help Attackers Easily Bypass Google reCAPTCHA

Google Speech-to-Text API Can Help Attackers Easily Bypass Google reCAPTCHA
Jan 05, 2021
A three-year-old attack technique to bypass Google's audio reCAPTCHA by using its own Speech-to-Text API has been found to still work with 97% accuracy. Researcher Nikolai Tschacher disclosed his findings in a proof-of-concept (PoC) of the attack on January 2. "The idea of the attack is very simple: You grab the MP3 file of the audio reCAPTCHA and you submit it to Google's own speech-to-text API," Tschacher  said  in a write-up. "Google will return the correct answer in over 97% of all cases." Introduced in 2000, CAPTCHAs (or Completely Automated Public Turing test to tell Computers and Humans Apart) are a type of challenge-response tests designed to protect against automated account creation and service abuse by presenting users with a question that is easy for humans to solve but difficult for computers. reCAPTCHA  is a popular version of the CAPTCHA technology that was acquired by Google in 2009. The search giant released the  third iteration  of re

Today's Top 4 Identity Threat Exposures: Where To Find Them and How To Stop Them

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websiteSilverfort Identity Protection / Attack Surface
Explore the first ever threat report 100% focused on the prevalence of identity security gaps you may not be aware of.
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