Operations security (OPSEC) is a process that identifies critical information to determine if friendly actions can be observed by enemy intelligence, determines if information obtained by adversaries could be interpreted to be useful to them, and then executes selected measures that eliminate or reduce adversary exploitation of friendly critical information.
In a more general sense, OPSEC is the process of protecting individual pieces of data that could be grouped together to give the bigger picture (called aggregation). OPSEC is the protection of critical information deemed mission essential from military commanders, senior leaders, management or other decision-making bodies. The process results in the development of countermeasures, which include technical and non-technical measures such as the use of email encryption software, taking precautions against eavesdropping, paying close attention to a picture you have taken (such as items in the background), or not talking openly on social media sites about information on the unit, activity or organization's Critical Information List.
OPSEC is a five-step iterative process that assists an organization in identifying specific pieces of information requiring protection and employing measures to protect them.
- Identification of Critical information: Critical information is information about friendly intentions, capabilities and activities that allow an adversary to plan effectively to disrupt their operations. U.S. Army Regulation 530-1 has redefined Critical Information into four broad categories, using the acronym CALI – Capabilities, Activities, Limitations (including vulnerabilities), and Intentions. This step results in the creation of a Critical Information List (CIL). This allows the organization to focus resources on vital information, rather than attempting to protect all classified or sensitive unclassified information. Critical information may include, but is not limited to, military deployment schedules, internal organizational information, details of security measures, etc.
- Analysis of Threats: A Threat comes from an adversary – any individual or group that may attempt to disrupt or compromise a friendly activity. Threat is further divided into adversaries with intent and capability. The greater the combined intent and capability of the adversary, the greater the threat. This step uses multiple sources, such as intelligence activities, law enforcement, and open source information to identify likely adversaries to a planned operation and prioritize their degree of threat.
- Analysis of Vulnerabilities: Examining each aspect of the planned operation to identify OPSEC indicators that could reveal critical information and then comparing those indicators with the adversary's intelligence collection capabilities identified in the previous action. Threat can be thought of as the strength of the adversaries, while vulnerability can be thought of as the weakness of friendly organizations.
- Assessment of Risk: First, planners analyze the vulnerabilities identified in the previous action and identify possible OPSEC measures for each vulnerability. Second, specific OPSEC measures are selected for execution based upon a risk assessment done by the commander and staff. Risk is calculated based on the probability of Critical Information release and the impact if such as release occurs. Probability is further subdivided into the level of threat and the level of vulnerability. The core premise of the subdivision is that the probability of compromise is greatest when the threat is very capable and dedicated, while friendly organizations are simultaneously exposed.
- Application of Appropriate OPSEC Measures: The command implements the OPSEC measures selected in the assessment of risk action or, in the case of planned future operations and activities, includes the measures in specific OPSEC plans. Countermeasures must be continually monitored to ensure that they continue to protect current information against relevant threats. The U.S. Army Regulation 530-1 refers to "Measures" as the overarching term, with categories of "Action Control" (controlling one's own actions); "Countermeasures" (countering adversary intelligence collection); and "Counteranalysis" (creating difficulty for adversary analysts seeking to predict friendly intent) as tools to help an OPSEC professional protect Critical Information.
An OPSEC Assessment is the formal application of this process to an existing operation or activity by a multidisciplinary team of experts. These assessments identify the requirements for additional OPSEC measures and required changes to existing ones. Additionally, OPSEC planners, working closely with Public Affairs personnel, must develop the Essential Elements of Friendly Information (EEFI) used to preclude inadvertent public disclosure of critical or sensitive information. The term "EEFI" is being phased out in favor of "Critical Information", so all affected agencies use the same term, minimizing confusion.
In 1966, United States Admiral Ulysses Sharp established a multidisciplinary security team to investigate the failure of certain combat operations during the Vietnam War. This operation was dubbed Operation Purple Dragon, and included personnel from the National Security Agency and the Department of Defense.
When the operation concluded, the Purple Dragon team codified their recommendations. They called the process "Operations Security" in order to distinguish the process from existing processes and ensure continued inter-agency support.
In 1988, President Ronald Reagan signed National Security Decision Directive (NSDD) 298. This document established the National Operations Security Program and named the Director of the National Security Agency as the executive agent for inter-agency OPSEC support. This document also established the Interagency OPSEC Support Staff (IOSS).
International and private sector applicationEdit
Although originally developed as a US Military methodology, Operations Security has been adopted worldwide for both military and private sector operations. In 1992, the North Atlantic Treaty Organization (NATO) added OPSEC to its glossary of terms and definitions.
Military and private sector security and information firms often require OPSEC professionals. Certification is often initially obtained from military or governmental organizations, such as:
Other measures that impact OPSECEdit
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- How to Conduct an OPSEC Assessment