Get the latest tech news
Simple Sabotage for the 21st Century – Specific Suggestions
The most potent tools for fighting injustice are the ones already in your hands.
Simple sabotage does not require specially prepared tools or equipment; it is executed by an ordinary person, and it is carried out in such a way as to involve a minimum danger of injury, detection, and retaliation. The potential saboteur should discover what types of faulty decisions and operations are normally found in their work and should then devise their sabotage so as to enlarge that "margin for error" while avoiding detection. Unplugging routers, committing buggy code, changing file extensions, acting absentminded, feigning ignorance, and hiding key technologies and supplies will waste the materials, manpower, and time of the enemy.
Or read this on Hacker News