If you're a security professional fighting disinformation, the DISARM Framework can help you understand dozens of relevant tactics, techniques, and procedures (TTP)—both threats and countermeasures. But how do you quantify and measure the various cognitive effects these actions have on people? Without quantification and measurement, it could be hard to assess which countermeasures might work best against specific threats. For now, achieving quantification and measurement remains an emerging challenge for the cognitive security community, but here are five practical principles for security teams to keep in mind: