A negligent security claim is a civil lawsuit seeking damages when a responsible party failed to provide reasonable security and that failure contributed to an injury. The emphasis is usually on reasonableness: the law does not require a property to eliminate every risk imaginable, and it does not treat every violent act as automatically preventable. Instead, courts look at whether the defendant’s security measures matched what could reasonably be expected for that specific location and use.
In New York, this often becomes a question of whether security was designed and maintained for the actual environment. A building with controlled entrances may still be exposed if the access system is unreliable, if doors are routinely propped open, or if cameras do not cover the areas where incidents are likely. Similarly, a business may have policies on paper but fail in day-to-day enforcement—especially in crowded areas, during peak hours, or when staffing is thin.
The person harmed does not need to be “at fault” for the attack in order to have a claim. Liability focuses on the defendant’s duties and conduct. If you were hurt on premises where security was inadequate given foreseeable risks, the law may allow you to pursue compensation even if the attacker was unknown or not criminally charged.


