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
Related:
- Hijackable Go Module Repositories
December 4, 2023
The Go module ecosystem is unique because it’s decentralized. Other packaging systems like Pypi or NPM require developers to create accounts to upload their packages. This gives the package platform the ability to moderate users and content. That isn’t the case with Go. Go developers publish modules by pushing their code to source control platforms like ...
- New iOS and iPad zero-day vulnerabilities spur yet another update
December 1, 2023
Apple announced Thursday that owners of its mobile devices will require yet another operating system update. The latest versions are iOS and iPadOS version 17.1.2. Owners of at least iPhone XS and various iPads going back to first and second generations – especially those running older OS versions — should update immediately. The issue has to ...
- France bans ministers from WhatsApp, Signal; demands French alternatives
November 30, 2023
French Prime Minister Élisabeth Borne has banned widely used messaging apps WhatsApp, Telegram and Signal for ministers and their teams due to security vulnerabilities, according to a memo obtained by French news outlet Le Point. “These digital tools are not devoid of security flaws, and therefore cannot guarantee the security of conversations and information shared via ...
- ownCloud vulnerability can be used to extract admin passwords
November 28, 2023
ownCloud has warned users about three critical security flaws in its file-sharing software which, if exploited, could reveal sensitive information and modify files. An especially and potentially impactful one is a vulnerability that could lead to disclosure of sensitive credentials and configuration in containerized deployments. ownCloud is a very widely used open-source project that allows users ...
- GoTitan Botnet – Ongoing Exploitation on Apache ActiveMQ
November 28, 2023
This past October, Apache issued a critical advisory addressing CVE-2023-46604, a vulnerability involving the deserialization of untrusted data in Apache. On November 2, the Cybersecurity and Infrastructure Security Agency (CISA) added CVE-2023-46604 to its known exploited list, KEV Catalog, indicating this vulnerability’s high risk and impact. Fortiguard Labs also released an outbreak alert and a threat ...
- Cisco aids Ukraine in cyber defense with modified switches to counter Russian attacks
November 23, 2023
Cisco has proactively shipped modified switches to Ukrenergo, the state-owned electricity grid operator in Ukraine, to bolster its defenses against Russian cyberattacks targeting energy infrastructure. These attacks have included the use of GPS-jamming tactics, which disrupt the high-voltage energy subsystems crucial for power distribution and damage assessment. The reliance of Ukraine’s substations on GPS for time ...