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
WhatsApp payments: How secure are they?
WhatApp recently launched an in-chat payment option in Singapore following successful roll-outs in both India and Brazil. And, given how widely used WhatsApp is, it’s likely that it will be launched in other regions in the future. However, there are security concerns...
3 cybersecurity challenges around hybrid working
Although some companies are requesting their staff to return to the office, it is unlikely that there will be a complete return to full-time office working. Today, in the US around 25% of work is done remotely - a 500% increase compared to 2019. And whilst hybrid...
4 of the most well-known crypto-ransomware
The use of crypto-ransomware - a specific type of malware that encrypts files on the victim’s computer until a ransom is paid - is on the rise. In 2022 alone, organisations globally detected 493.33 million ransomware attacks. Below are some of the most well-known...