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:
- Critical Bugs in Rockwell, Johnson Controls ICS Gear
March 10, 2020
Security vulnerabilities that require very little skill to exploit have been discovered in industrial control systems (ICS) gear from Rockwell Automation and Johnson Controls, which anchor a flurry of bug disclosures impacting critical infrastructure. First, a set of critical vulnerabilities in Rockwell Automation gear affect MicroLogix 1400 Controllers, MicroLogix 1100 Controllers and RSLogix 500 Software. The ...
- Zoho zero-day published on Twitter
March 6, 2020
A security researcher published yesterday details on Twitter about a zero-day vulnerability in a Zoho enterprise product. Cyber-security experts who have reviewed the vulnerability have told ZDNet that the zero-day could spell trouble for companies around the world, as it could be an entry point for ransomware gangs to infect corporate networks and ransom their data. The vulnerability impacts ...
- BlueKeep Flaw Plagues Outdated Connected Medical Devices
February 19, 2020
While Microsoft issued patches for the infamous BlueKeep vulnerability almost a year ago, researchers warn that almost half of connected medical devices in hospitals run on outdated Windows versions that are still vulnerable to the remote desktop protocol (RDP) flaw. Researchers said they found that 22 percent of a typical hospital’s Windows devices were vulnerable to BlueKeep. Even ...
- Bluetooth LE devices impacted by SweynTooth vulnerabilities
February 15, 2020
A team of academics from Singapore has published this week a research paper detailing a collection of vulnerabilities named SweynTooth that impact devices running the Bluetooth Low Energy (BLE) protocol. More specifically, the SweynTooth vulnerabilities impact the software development kits (SDKs) responsible for supporting BLE communications. Read more… Source: ZDNet
- An In-Depth Technical Analysis of CurveBall (CVE-2020-0601)
February 13, 2020
The first Microsoft patch Tuesday of 2020 contained fixes for CVE-2020-0601, a vulnerability discovered by the United States’ National Security Agency (NSA) that affects how cryptographic certificates are verified by one of the core cryptography libraries in Windows that make up part of the CryptoAPI system. Dubbed CurveBall or “Chain of Fools,” an attacker exploiting this vulnerability could potentially create ...
- Researchers Use Smart Light Bulbs to Infiltrate Networks
February 6, 2020
Researchers successfully infiltrated networks through a vulnerability in Philips Hue light bulbs. The CVE-2020-6007 vulnerability, which involves the ZigBee communication protocol, can be abused to remotely install malicious firmware in smart light bulbs and spread malware to other internet-of-things (IoT) devices. To make the discovery, Check Point researchers built on earlier studies that showed how to control smart light bulbs. The new finding focused ...