The most common acts of piracy in "Eve" are , gate camping, and small gang warfare. Every pirate corporation in "Eve Online" has its own preferred activities, strategies, and tactics. Some utilize cheap but high damage ships to "suicide gank" and kill players in high-security space (where they should theoretically be safe) quickly before CONCORD law enforcement units arrive to destroy them (thus "suiciding"), in the knowledge that certain ships they destroy will be carrying valuable commodities or expensive gear capable of recovering the cost of the pirate vessels lost in the gank. Others choose to set up gate camping fleets consisting of varied ship types and roles capable of rapidly disabling and destroying any unwitting passersby, thereby locking down star systems and killing or robbing whoever tries to pass through. Other pirates choose to roam in very fast and versatile skirmish ships, such as interceptors, recons, or heavy assault ships, killing anyone they encounter in lightning attacks. On gaining the upper hand in a fight many pirates will ask the victim for an ISK ransom, in exchange for sparing their ship or escape pod.