Mimecast, which provides email management systems, updates that the hacker was able to hack into the company’s systems and access customer information.
According to the company, the hacker was able to gain access to a certificate used to identify Mimecast services located on Microsoft’s server.
The company also states that all customers who may have been harmed have been updated and it also asks all customers of the company to replace the existing certificate in their possession with a new certificate issued by the company.
The breach was identified by Microsoft, which updated Mimecast that an unidentified source accessed the company’s servers.
According to DZNet: Mimecast says hackers abused one of its certificates to access Microsoft accounts.
Mimecast, a provider of email management software, said learned of the security incident from Microsoft.
Read more about Examples and Numbers of Social Engineering attacks ›
Save Your Company from Social Engineering Attacks Like that
Register and Get your Personalized Free Exposure Report NOW
and See your where your Company is Exposed to Hackers
Recently Published on our Blog
5 of the most notable ransomware attacks in 2023
Now that we’re halfway through the year, it’s a good time to review the cybersecurity landscape, particularly around ransomware. Whilst the volume of ransomware attacks decreased by 23% in 2022 compared to 2021, there was ransomware resurgence in early 2023, with the...
3 ways generative AI can support cybersecurity
We recently looked at how generative AI, such as ChatGPT, is creating new cybersecurity challenges as it makes cybercrime more accessible. However, as with most new technology, it works both ways. Generative AI can also be leveraged by companies to enhance security....
How to prevent departing employees becoming insider threats
Insider threats are a growing concern for businesses globally. According to Gurucul’s 2023 Insider Threat report, 74% of organisations say insider attacks have become more frequent, and more than half have experienced an insider threat in the last year. As many major...