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  2. Master Lock - Wikipedia

    en.wikipedia.org/wiki/Master_Lock

    In 1919, Soref then invented a padlock design that used laminated steel layers to economically produce an exceptionally strong lock body. [3] He tried unsuccessfully to get some large companies interested in using his design, so he and two friends—P. E. Yolles and Sam Stahl, [4] —worked together to found the Master Lock company in Milwaukee ...

  3. Heartbleed - Wikipedia

    en.wikipedia.org/wiki/Heartbleed

    Heartbleed was a security bug in the OpenSSL cryptography library, which is a widely used implementation of the Transport Layer Security (TLS) protocol. It was introduced into the software in 2012 and publicly disclosed in April 2014.