In the last years, technology-savvy artists and technologists have taken over the art world with works addressing current societal and political issues. Their works are located at the intersection between art, technology and activism and are dealing with a variety of problems like free speech, freedom of movement, military and governmental power, corporate and governmental surveillance to name just a few. This talk will present relevant works in this field and will draw connections between critical art and regulatory power, warfare, surveillance, electronic waste, electronic self-defense and the re-appropriation of architectural and technological artifacts in militant ways.