Flashbangs (also called stun grenades, or noise/flash diversionary devices) are single-use weapons thrown or fired into proximity of the victim, which then emit a deafening sound and flash of light. Police use flashbangs to overwhelm their victims’ senses, rendering them vulnerable to further attack.

a guide with basic advice to beat the surveillance state

Security culture refers to shared practices activists use to disrupt state surveillance and interference in our organisations.