O - Definitions

  • O

    Occupational Safety and Health Administration (OSHA)

    The Occupational Safety and Health Administration (OSHA) is responsible for protecting worker health and safety in the United States.

  • OCSP (Online Certificate Status Protocol)

    OCSP (Online Certificate Status Protocol) is one of two common schemes used to maintain the security of a server and other network resources.

  • one-time pad

    In cryptography, a one-time pad is a system in which a randomly generated private key is used only once to encrypt a message that is then decrypted by the receiver using a matching one-time pad and key.

  • one-time password

    A one-time password (OTP) is an automatically generated numeric or alphanumeric string of characters that authenticates a user for a single transaction or login one-time password session.

  • Open Source Hardening Project

    The Open Source Hardening Project is an initiative of the United States Department of Homeland Security, created to improve the security of open source code. Because the infrastructure of the Internet, financial institutions and many other critcal systems in the U.S. run on open source software, the security of these applications is crucial... (Continued)

  • Open System Authentication (OSA)

    Open System Authentication (OSA) is a process by which a computer could gain access to a wireless network that uses the Wired Equivalent Privacy (WEP) protocol.

  • orphan account

    An orphan account, also referred to as an orphaned account, is a user account that can provide access to corporate systems, services and applications but does not have a valid owner.

  • out-of-band authentication

    Out-of-band authentication is a type of two-factor authentication (2FA) that requires a secondary verification method through a separate communication channel along with the typical ID and password.

  • What is obfuscation and how does it work?

    Obfuscation means to make something difficult to understand. Programming code is often obfuscated to protect intellectual property or trade secrets, and to prevent an attacker from reverse engineering a proprietary software program.

  • What is operational risk?

    Operational risk is the risk of losses caused by flawed or failed processes, policies, systems, people or events that disrupt business operations.

  • What is OPSEC (operations security)?

    OPSEC (operations security) is an analytical process that military, law enforcement, government and private organizations use to prevent sensitive or proprietary information from being accessed inappropriately.