Elevated Phishing Activities Examined: Increase in Complex Scamming Techniques
In a recent report, Barracuda Networks' associate threat analyst, Megharaj Balaraddi, underscores the importance of a multilayered security approach to combat sophisticated attack methods. This approach, he explains, involves masking the true destination of links while making the visible, hyperlinked portion appear safe.
The report reveals that attackers have been using the Redundant Protocol Prefix technique, crafting URLs that are only partially hyperlinked or contain invalid elements. Another tactic employed is the insertion of a Unicode character that resembles a dot but isn't one, with the intention of making infected URLs less suspicious.
Attackers have also been using the code '%20' to conceal malicious portions of infected links from security scans. The new techniques include inserting invisible spaces into web addresses or adding unusual characters to links.
One of the most concerning developments, according to Balaraddi, is the use of the Tycoon Phishing-as-a-Service (PhaaS) kit by an organized cybercrime group. This kit offers scalable phishing services, and attackers using it have employed new techniques to hide malicious links in phishing emails.
Cloaking URLs so that links appear benign but, when copied and pasted into a browser, redirect victims to credential-stealing pages is one such technique. This method effectively evades detection by security systems and deceives users through fake voicemails and accounting notice lures.
The report also emphasizes the need for a multilayered approach to security, including AI and machine-learning capabilities. However, it does not discuss the use of invisible spaces, unusual characters, or the Redundant Protocol Prefix technique in the current context.
Despite these advancements, attackers continue to evolve their techniques to bypass security measures. Balaraddi recommends security awareness training for employees as a complement to security measures.
In addition, Barracuda Networks is committing to strengthening its support for partners as trusted security advisors. The company is driving innovation and embracing growth within the channel, according to the report.
In conclusion, the report serves as a reminder that the threat landscape is constantly changing, and organisations must adapt their security strategies to stay ahead of the curve. A multilayered approach, combined with regular employee training, is crucial in maintaining a robust defence against phishing attacks.
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