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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
How to Increase Engagement with Your Cybersecurity Clients Through vCISO Reporting

How to Increase Engagement with Your Cybersecurity Clients Through vCISO Reporting

Jul 22, 2024vCISO / Business Security
As a vCISO, you are responsible for your client's cybersecurity strategy and risk governance. This incorporates multiple disciplines, from research to execution to reporting. Recently, we published a comprehensive playbook for vCISOs, "Your First 100 Days as a vCISO – 5 Steps to Success" , which covers all the phases entailed in launching a successful vCISO engagement, along with recommended actions to take, and step-by-step examples.  Following the success of the playbook and the requests that have come in from the MSP/MSSP community, we decided to drill down into specific parts of vCISO reporting and provide more color and examples. In this article, we focus on how to create compelling narratives within a report, which has a significant impact on the overall MSP/MSSP value proposition.  This article brings the highlights of a recent guided workshop we held, covering what makes a successful report and how it can be used to enhance engagement with your cyber security clients.
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
cyber security

Free OAuth Investigation Checklist - How to Uncover Risky or Malicious Grants

websiteNudge SecuritySaaS Security / Supply Chain
OAuth grants provide yet another way for attackers to compromise identities. Download our free checklist to learn what to look for and where when reviewing OAuth grants for potential risks.
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