Security News

Microsoft on Tuesday warned of an actively exploited zero-day flaw impacting Internet Explorer that's being used to hijack vulnerable Windows systems by leveraging weaponized Office documents. "Microsoft is investigating reports of a remote code execution vulnerability in MSHTML that affects Microsoft Windows. Microsoft is aware of targeted attacks that attempt to exploit this vulnerability by using specially-crafted Microsoft Office documents," the company said.

Microsoft today shared mitigation for a remote code execution vulnerability in Windows that is being exploited in targeted attacks against Office 365 and Office 2019 on Windows 10. Microsoft is aware of targeted attacks that try to exploit the vulnerability by sending specially-crafted Microsoft Office documents to potential victims, the company says in an advisory today.

According to a recent report from the Institute for Security and Technology, ransomware attacks cost businesses 21 days of downtime, on average. Because WordPress is the market share leader, my team of SOC analysts aren't strangers to responding to WordPress security issues.

The first half of 2021 saw 1.5 billion attacks on smart devices, with attackers looking to steal data, mine cryptocurrency or build botnets. According to a Kaspersky analysis of its telemetry from honeypots shared with Threatpost, the firm detected more than 1.5 billion IoT attacks - up from 639 million during the previous half year, which is more than twice the volume.

In this interview with Help Net Security, Baha Zeidan, CEO at Azalea Health, talks about how rural hospitals have been affected by the pandemic and what steps they should take to boost their cybersecurity posture. How has the pandemic affected rural hospitals in particular and what could the long-term repercussions be?

The number of ransomware attacks analysed by the team has increased by 288% between January-March 2021 and April-June 2021, with organizations continuing to face waves of digital extortion in the form of targeted ransomware. 22% of ransomware data leaks analysed between April and June were attributed to Conti ransomware, which often uses email phishing to remote into a network via an employee's device.

Microsoft has shared technical details about a now-fixed, actively exploited critical security vulnerability affecting SolarWinds Serv-U managed file transfer service that it has attributed with "High confidence" to a threat actor operating out of China. "The Serv-U SSH server is subject to a pre-auth remote code execution vulnerability that can be easily and reliably exploited in the default configuration," Microsoft Offensive Research and Security Engineering team said in a detailed write-up describing the exploit.

Parts of New Zealand were cut off from the digital world today after a major local ISP was hit by an aggressive DDoS attack. Vocus - the country's third-largest internet operator which is behind brands including Orcon, Slingshot and Stuff Fibre - confirmed the cyberattack originated at one of its customers.

The FBI Internet Crime Complaint Center has warned of a massive increase in sextortion complaints since the start of 2021, resulting in total financial losses of more than $8 million until the end of July. The federal agency received over 16,000 sextortion complaints until July 31, almost half of them coming from victims in the 20-39 age group.

Threat actors are compromising up to 100,000 inboxes daily in a campaign that targets gift card and customer-loyalty program data in hopes of reselling it or cashing in on freebies, a security researcher has found. "Whether it's related to hotel or airline rewards or just Amazon gift cards, after they successfully log in to the account their scripts start pilfering inboxes looking for things that could be of value," the researcher told Krebs, according to the post.