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As we continue to enhance the security of our cloud, we are going to address the problem of email sent to Exchange Online from unsupported and unpatched Exchange servers. There are many risks associated with running unsupported or unpatched software, but by far the biggest risk is security. Once a version of Exchange Server is no longer supported, it no longer receives security updates; thus, any vulnerabilities discovered after support has ended don’t get fixed. There are similar risks associated with running software that is not patched for known vulnerabilities. Once a security update is released, malicious actors will reverse-engineer the update to get a better understanding of how to exploit the vulnerability on unpatched servers.

Plusieurs médias alémaniques sont touchés par un ransomware.

Warning on KIMSUKY Cyber Actor's Recent Cyber Campaigns against Google's Browser and App Store Services

Another day, another ransomware gang. The Dark Power ransomware gang is new on the block, and is trying to make a name for itself. This blog dives into the specifics of the ransomware used by the gang, as well as some information regarding their victim naming and shaming website, filled with non-paying victims and stolen data.

Today, CISA released the Untitled Goose Tool to help network defenders detect potentially malicious activity in Microsoft Azure, Azure Active Directory (AAD), and Microsoft 365 (M365) environments. The Untitled Goose Tool offers novel authentication and data gathering methods for network defenders to use as they interrogate and analyze their Microsoft cloud services. The tool enables users to:

C’est une faille banale qui a exposé les relevés de cartes bancaires de milliers d’entreprises suisses pendant 18 mois. Et ni l’entreprise qui émet les cartes concernées, ni les banques qui les fournissent à leurs clients ne comptent diffuser l’information. Motif? Le problème a été réglé et les recherches n’ont pas permis d’observer un accès indu aux informations. Une stratégie de communication qui interpelle, à l’heure où la sécurité des données devient un enjeu majeur pour les entreprises.

There are at least two kinds of catastrophe scenarios, and both are getting more plausible

The number of victims affected by a mass-ransomware attack, caused by a bug in a popular data transfer tool used by businesses around the world, continues to grow as another organization tells TechCrunch that it was also hacked. The City of Toronto told TechCrunch in a revised statement on March 23: “Today, the City of Toronto has confirmed that unauthorized access to City data did occur through a third party vendor. The access is limited to files that were unable to be processed through the third party secure file transfer system.”

* Emotet resumed spamming operations on March 7, 2023, after a months-long hiatus. * Initially leveraging heavily padded Microsoft Word documents to attempt to evade sandbox analysis and endpoint protection, the botnets switched to distributing malicious OneNote documents on March 16. * Since returning, Emotet has leveraged several distinct infection chains, indicating that they are modifying their approach based on their perceived success in infecting new systems. * The initial emails delivered to victims are consistent with what has been observed from Emotet over the past several years.

Large Language Models (LLM) have made amazing progress in recent years. Most recently, they have demonstrated to answer natural language questions at a surprising performance level. In addition, by clever prompting, these models can change their behavior. In this way, these models blur the line between data and instruction. From "traditional" cybersecurity, we know that this is a problem. The importance of security boundaries between trusted and untrusted inputs for LLMs was underestimated. We show that Prompt Injection is a serious security threat that needs to be addressed as models are deployed to new use-cases and interface with more systems. [PDF DOC] https://arxiv.org/pdf/2302.12173.pdf

Dive into the analysis and exploitation of a vulnerability in the Windows Ancillary Function Driver for Winsock for Local Privilege Escalation on Windows 11. More from X-Force Red experts.

Ecuador's government condemns the attack after journalists nationwide are targeted. [Related:](https://twitter.com/_MG_/status/1638597842683195392)

Stealing data from Mac devices can unlock the door for both financially-motivated cybercrime and espionage. Learn how recent macOS malware does it.

Recently (On March 18 2023 at 23:44), a new malspam campaign has been observed in the wild ( HERE ), which caused a significant amount of concern. This campaign is designed to distribute malicious emails, which contain a harmful payload that can infect a user’s system, steal sensitive information, or launch other types of attacks.

ChatGPT for a long time on March 20th posted a giant orange warning on top of their interface that they’re unable to load chat history.

Ferrari Hacked, the renowned manufacturer of sports cars from Italy, announced that a ransomware attack targeted them.