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  1. #1
    WHT-BR Top Member
    Data de Ingresso
    Dec 2010
    Posts
    14,985

    [EN] Self-encrypting drives (SED)

    Esse assunto andou me perseguindo durante a semana. Começou com o Google Compute Engine, informando que *todas* as gravações, sejam em disco temporário ou permanente, são criptografadas automaticamente. Achei estranho (e desperdicio) gastar tempo criptografando dados que não requerem esse tipo de segurança, são voláteis, etc, mas deixei quieto. O assunto retornou, de outra forma, analisando um dos servidores que o Google está instalando nos ISPs, o Dell PowerEdge R720xd, um bicho que além de ter *24* DIMM slots (768GB RAM), tem como opções de storage:

    Hot-plug hard drive options:
    2.5” SAS SSD, SATA SSD, SAS (15K, 10K), nearline SAS (7.2K), SATA (7.2K)
    3.5” SAS (15K), nearline SAS (7.2K), SATA (7.2K)
    Self-Encrypting Drives available

    SAS e SATA SSD, tem isso é? Mas de novo SED? Novamente ignorei.

    Por pouco tempo.

    It’s taken nearly a decade for SEDs to approach a tipping point, but that moment seems to have arrived. Seagate, Samsung, Hitachi GST, and Western Digital all produce SEDs today, and self-encrypting support in solid state drives (SSDs) is quickly becoming universal. Compatibility issues have vanished, and SED retail prices are now at near-parity with non-encrypting models. (In the enterprise market, Seagate has erased the price difference altogether.) Perhaps most significantly, Microsoft’s Windows 8 is the first operating system to offer native SED management support.
    How SED Works

    seagate drive_based encryption




    Windows 8 is the first operating system with native SED awareness, but Microsoft has wisely left its OS and eDrives open to compatibility with third-party security applications.

    ...

    Security keeps getting better and easier. Windows 8 will likely prove to be the catalyst that pushes SEDs into and through their tipping point. If you haven’t given on-drive encryption any consideration before, now is the time to make the change and ensure that your files stay safe forever.






    Self-Encrypting Drives: Security for Every System

    Self-encrypting drives: What's holding back SED hard drive encryption security?

  2. #2
    Guru Junior
    Data de Ingresso
    Feb 2011
    Posts
    198
    Isto me interessa. Preciso de um.
    "Excusatio non petita, accusatio manifesta."

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