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TLS: Secure encryption for emails?
TLS: Secure encryption for emails?

Is TLS enough to encrypt emails securely and GDPR-compliant? Many say yes, the lawyers rather it depends. But what for? Stephan Heimel from SEPPmail sheds light on this question. Both end customers and consulting and implementation companies are increasingly hearing the statement: “TLS (Transport Layer Security) is sufficient to communicate in a GDPR-compliant manner.” Behind this is usually the desire for the simplest possible way to communicate via encrypted communication Exchange emails with other communication partners. Unfortunately, this is a fallacious conclusion. This is what the GDPR says In order for this assessment to be supported by the legal...

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Microsoft Office 365: Insecure encryption for emails
Microsoft Office 365: Insecure encryption for emails

The labs of the security company WithSecure have bad news: The encryption used for emails in Microsoft Office 365 is not secure because it has a security hole. According to WithSecure, Microsoft does not plan to fix the vulnerability, although the National Institute of Standards and Technology NIST lists the vulnerability as serious in its Vulnerability Database. Microsoft Office 365 Message Encryption (OME) uses the Electronic Codebook (ECB) operating mode. This mode is generally insecure and may reveal information about the structure of the messages sent, resulting in partial or full disclosure of the message...

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Perspective: Email encryption in companies

Finally perspective: totemo explains the various standards for e-mail encryption and offers solutions. Companies have to react to the variety of encryption standards. E-mails have become an indispensable part of everyday work: Companies reach almost all customers, both end consumers and companies, as well as their business partners in this way. Strong email encryption is therefore one of the most important principles for protecting business-critical or personal data from being accessed by unauthorized persons during transmission and storage. That is why IT security officers should deal with the TLS, PGP / OpenPGP, MIP and S / MIME standards. It quickly becomes clear: E-mail encryption requires a "specialist translator" ...

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