2021 was the year of ransomware. You couldn’t watch or read the news without hearing about another business falling victim. Cybersecurity Ventures estimates that a ransomware attack took place every 11 seconds in 2021, with global damages reaching an estimated $20 billion – that is 57x more than it was in 2015. Unfortunately, the reality is that ransomware is here to stay, and every organization, regardless of industry or size, is a potential target.

Your Microsoft 365 data is a prime target for ransomware. Attackers know that Microsoft 365 lives directly in the path of business-critical operations now more than ever. As highlighted by Mandiant – one of the industry's leading cyber security firms – this translates to “targeted threat groups investing a lot of time and money into understanding Office 365 and understanding how to attack it.”

Wachy is a new Linux performance debugging tool that Rubrik recently released as open source. It enables interesting new ways of understanding performance by tracing arbitrary compiled binaries and functions with no code changes. This blog post briefly outlines various performance debugging tools that we commonly use, and the advantages and disadvantages of each. Then, we discuss why and how we built wachy.

Protecting your data in the cloud is fundamental to your security posture in terms of business continuity and disaster recovery. While Rubrik customers utilize the cloud every day to safely store off-site copies of their data, this blog is going to explain how we’ve made that practice even safer! We know that security threats to backup systems are on the rise, with hacking, malware, and even human error becoming more prevalent in the age of remote work.

It was 11 PM on a Friday in November of 2019. WED2B IT systems administrator Jamie Jeeves started receiving a barrage of email alerts warning that antivirus (AV) clients were crashing in the company’s central office. All prospects for a relaxing weekend vanished when Jeeves logged into the remote system to investigate the AV shutdowns. While checking the network’s file share, Jeeves noticed they were in trouble. Mass encryption of data was underway.

Part 2 in this series dealt with filesystem tree generation. In this part, we will look into the data of the files themselves and how they relate to tree generation.

Rubrik customers have an advantage when it comes to mitigating the log4j crisis. Utilizing our API-first architecture, Rubrik customers can make a single API call to find instances of log4j across their protected systems.