Shares of Mimecast (NASDAQ: MIME), an email security-management company, slid today after it said that a certificate that the company uses to authenticate some Microsoft services was compromised. The tech stock fell by as much as 12.8% today and was down by 12.6% as of 3:28 p.m. EST.
The company said in an SEC filing today that approximately 10% of its customers use the now-compromised certificate and there are "indications that a low single digit number" of its customers were specifically targeted. Mimecast said that it has contacted the customers to "remediate the issue."
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Source Fool.com