FISA

In January, the cybersecurity landscape has been particularly troubled by the sophistication of malware such as the Phemedrone Stealer, Androxgh0st, and the NSPX30 backdoor, all of which have demonstrated advanced techniques for evasion, data harvesting, and exploiting network vulnerabilities. These threats underline the critical need for up-to-date defenses against sophisticated malware campaigns that can bypass standard security protocols and compromise sensitive information. CVE-2023-36025: Phemedrone Malware Campaign Targets Microsoft Defender SmartScreen Vulnerability The Phemedrone Stealer campaign has been leveraging CVE-2023-36025, a vulnerability that allows bypassing Windows Defender SmartScreen, to conduct defense evasion and payload delivery since its discovery. This vulnerability enables attackers to execute malicious scripts without triggering SmartScreen's warning mechanisms, a critical security feature in Windows environments designed to block unrecognized applicati...

In January 2024, cybersecurity faced a remarkable surge in threats, with a focus on exploiting vulnerabilities in technologies from leading vendors. This spike in cyber attacks highlighted the urgent necessity for robust security posture and swift responses to mitigate these vulnerabilities.  Below is an in-depth analysis of the most critical vulnerabilities targeted during January. CVE-2023-46805 and CVE-2024-21887:   CISA Warns Against Ivanti Zero-Day Vulnerabilities On January 19, 2024, the Cybersecurity and Infrastructure Security Agency (CISA) issued an alert regarding two critical zero-day vulnerabilities discovered in Ivanti products:  CVE-2023-46805 and  CVE-2024-21887.  Assigned CVSS scores of 8.2 (High) and 9.1 (Critical), these vulnerabilities underscore a significant risk to cybersecurity, marked by their capability for arbitrary command execution. This prompted an emergency directive for immediate mitigation within federal agencies, highlighting the...

Public Wi-Fi, which has long since become the norm, poses threats to not only individual users but also businesses. With the rise of remote work, people can now work from virtually anywhere: a cafe close to home, a hotel in a different city, or even while waiting for a plane at the airport. Next, let's explore the risks of connecting to public Wi-Fi, both for you personally and for businesses. According to the Forbes Advisor the majority of people (56%) connect to public Wi-Fi networks that don't require a password. This convenience comes at a price, and many are unaware that attackers can steal card details, passwords, and other sensitive information. Man-in-the-Middle (MITM) Attacks:  This is one of the most common threats on public Wi-Fi. In an MITM attack, the hacker secretly intercepts and possibly alters the communication between two parties. The user believes they are directly communicating with a website, email server, or another user, but the hacker is relaying t...

A new "mass-spreading" social engineering campaign is targeting users of the Zimbra Collaboration email server with an aim to collect their login credentials for use in follow-on operations. The activity, active since April 2023 and still ongoing, targets a wide range of small and medium businesses and governmental entities, most of which are located in Poland, Ecuador, Mexico, Italy, and Russia. It has not been attributed to any known threat actor or group. "Initially, the target receives an email with a phishing page in the attached HTML file," ESET researcher Viktor Šperka said in a report. "The email warns the target about an email server update, account deactivation, or similar issue and directs the user to click on the attached file." The messages also spoof the from address to appear as if they are coming from a Zimbra administrator in a likely attempt to convince the recipients into opening the attachment. The HTML file contains a Zimbra login page...