Amazon’s AWS buys message encrypting service Wickr Inc’s (AMZN.O) cloud computing unit has bought encrypted messaging platform Wickr to enable secure communication as employees largely work from home, the company said on Friday.

Wickr, a startup founded by privacy advocates, offers to help develop self-destructing messaging technology for financial services firms and gaming companies.

The value of the deal was not disclosed.

“The need for this type of secure communications is accelerating,” said Stephen Schmidt, chief information security officer at Amazon Web Services.

Amazon has also been striving to bag cloud contracts from government agencies and has been in a prolonged battle with Microsoft Corp (MSFT.O) after it lost a multi-billion-dollar Pentagon deal.

Schmidt said Wickr would give security-conscious enterprises and government agencies the ability to implement security controls, helping them meet their compliance requirements.

AWS is offering Wickr services effective immediately and Wickr customers, channel, and business partners can continue to use its services, he said.