Misconfigurations in Microsoft Exchange open new doors to email spoofing attacks


A new report from the Acronis Threat Research Unit has uncovered a vulnerability in Microsoft Exchange Online settings that could enable email spoofing attacks.

This issue primarily affects users with a hybrid configuration of on-premises Exchange and Exchange Online, and those utilizing third-party email security solutions. In July 2023, Microsoft introduced a major change in how it handles DMARC (Domain-based Message Authentication, Reporting, and Conformance) within Microsoft Exchange. This update was intended to bolster security by enhancing how email servers verify incoming emails’ legitimacy. Unfortunately, despite clear guidance from Microsoft, a considerable number of users have yet to implement these security measures.

Read more…
Source: TechRadar News


Sign up for our Newsletter


Related:

  • Volkswagen Cars Open To Remote Hacking, Researchers Warn

    May 1, 2018

    Over the last few years, automakers like Ford, Jeep, Nissan and Toyota have all suffered car-hacking vulnerabilities in their vehicles. Now,  it looks like Volkswagen has been pulled into the mix after researchers discovered that in-vehicle infotainment (IVI) systems in certain Volkswagen-manufactured cars could be remotely hacked. Not only that, but it’s possible to pivot to more critical ...

  • KRACK Vulnerability Puts Medical Devices At Risk

    April 30, 2018

    A slew of devices from medical technology company Becton, Dickinson and Company (BD) are vulnerable to the infamous KRACK key-reinstallation attack, potentially enabling hackers to change and exfiltrate patient records. The KRACK vulnerability, discovered last October, is an industry-wide glitch in the WPA and WPA2 protocol for securing Wi-Fi that can cause “complete loss of control over data,” ...

  • Faulty Patch for Oracle WebLogic Flaw Opens Updated Servers to Hackers Again

    April 30, 2018

    Earlier this month, Oracle patched a highly critical Java deserialization remote code execution vulnerability in its WebLogic Server component of Fusion Middleware that could allow attackers to easily gain complete control of a vulnerable server. However, a security researcher, who operates through the Twitter handle @pyn3rd and claims to be part of the Alibaba security team, has now found a ...

  • Hackers build a ‘Master Key’ that unlocks millions of Hotel rooms

    April 25, 2018

    If you often leave your valuable and expensive stuff like laptop and passports in the hotel rooms, then beware. Your room can be unlocked by not only a malicious staff having access to the master key, but also by an outsider. A critical design vulnerability in a popular and widely used electronic lock system can be ...

  • Another Critical Flaw Found In Drupal Core—Patch Your Sites Immediately

    April 18, 2018

    It’s time to update your Drupal websites, once again. For the second time within a month, Drupal has been found vulnerable to another critical vulnerability that could allow remote attackers to pull off advanced attacks including cookie theft, keylogging, phishing and identity theft. Read more… Source: The Hacker News  

  • Automated Bots Growing Tool For Hackers

    April 17, 2018

    The use of automated bots is becoming more prevalent for novice attackers as tools become more available, researchers found. A honeypot experiment, detailed by Cybereason at this year’s RSA Conference, showed the commoditization of using bots to perform low-level tasks. The honeypot showed an automated bot come in and lay the groundwork – by exploiting vulnerabilities and ...