A type lock is not safe

Anti-theft door is one of the basic methods of home anti-theft. It is used in many homes as a household item to improve the quality of life. The anti-theft door industry should increase its publicity in the primary and secondary markets to give products a certain culture Connotation, so that consumers have a sense of brand culture identity. With the improvement of people's living standards, family anti-theft has become a topic of concern to everyone. The door is the first pass to enter the room. In order to ensure the safety of the home, purchasing an anti-theft door has become an indispensable step for home decoration.

The security of the anti-theft door mainly considers its material, installation and door lock, among which the door lock is the most critical. The main key of anti-theft door anti-theft also mainly considers the security level of its door lock. However, in today's society, as the security level of door locks increases, the theft technology of thieves also improves, and security holes in anti-theft doors are increasing. The speed at which home users change anti-theft door locks is far from keeping pace with technological advancements. The security doors of many families in modern society are actually not safe.

Policeman demonstrates unlocking with tin foil

Police demonstration, use tin foil to open the anti-theft door for 5 seconds

On the morning of October 7, the police from the Hongshanpo Police Station of the Qingdao Public Security Bureau of Qingdao City and the staff of the Qingdao Lock Industry Association jointly launched a "private custom" home security publicity service in the small square of Huachuan Branch Road in Shibei District. Propaganda boards and leaflets to prevent burglary were placed on the scene, introducing several common methods of burglary, security products commonly used in home burglary prevention, and the three major security risks of anti-theft doors.

The police also moved the anti-theft door in the homes of ordinary residents to the scene to demonstrate unlocking to nearby residents. The police placed the tin foil on the master key mold, inserted the lock cylinder, and gently turned it a few times. It took only 5 seconds to easily unlock the two anti-theft doors. "It's terrible, what's the difference with opening the door with your key, too fast." Then, the non-professionals tried it with tin foil, and the anti-theft door opened.

"This is the so-called technical unlocking. The criminals use professional unlocking tools. For low-security door locks, they adopt technical means that do not damage the lock core and open the lock for theft." The police at the scene introduced that because the unlocking was very fast, the criminals You can pretend to be a courier and knock on the door to see if there is someone in your house. No one can directly unlock the door and enter the room. After the theft is carried out, the door is locked to make it difficult for the victim to detect.

Security door "cat's eye" into a security hole

"In life, many citizens have installed" cat's eyes "on the anti-theft door to determine the identity of visitors. However," cat's eyes "may also become the" life door "of the anti-theft door." At the event site, the police also demonstrated how to pass the "cat's eye" "Open the door and enter the room. "Most of the" cat's eyes "can be removed with a screwdriver, and through the holes left in the anti-theft door, professional tools can be inserted into the room to open the unlocked door lock for theft." The police reminded that residents should try to buy The anti-theft door where the "cat's eye" inner and outer mirrors are not on the same line; add a cover in front of the "cat's eye" indoor lens; the most important thing is to develop the habit of anti-lock anti-theft door.

In addition, criminals also use tools such as electric drills, wire cutters, screwdrivers and other tools to forcibly break the lock core of anti-theft doors or use bolt cutters and other tools to cut off the old-style padlocks for burglary, and use tools such as crowbars to force the doors into the rooms for theft.

Statistics show that nearly 30% of burglaries enter through the door

According to statistics from the Qingdao Municipal Public Security Bureau, door theft cases accounted for 31.3% of burglary cases this year. The public security organs found that some criminals can easily obtain unlocking tools through online purchases and other means, and within a very short time Learn to use, this unlocking tool is aimed at the A-type lock currently widely used by the general public. Type A locks have become the weak link of current residents' safety precautions.

At 8 pm on May 16 this year, Ms. Li, a citizen, discovered that the safe in her bedroom was pryed, and valuable jewelry and other items were stolen. After the case occurred, the Second Criminal Investigation Team of Shibei Branch, together with the Yantan Police Station, established a special task force to carry out the investigation work. The site investigation confirmed that the suspect was using the unlocking tool to open the A-type lock used by Ms. Li's house to enter the scene, using a crowbar and screwdriver to pry open the safe in the victim's home to steal valuable gold and silver jewelry and jewelry.

Through massive data analysis, the police handling the case obtained a large amount of image data of the suspect, and grasped the trajectory of the suspect entering and leaving the crime scene. Combining a large number of on-site investigations, visits and other work, the police handling the case successfully locked three criminal suspects. After more than 40 hours of arduous battle, they ran for more than 1,200 kilometers long, and rushed to Weihai, Yantai, Dongying and other places, and finally captured the three.

Type A locks are not safe, type B can be replaced if possible

"Locks are generally classified into three types: A-level, B-level and super-B-level. At present, most residents use A-level or B-level locks with low anti-theft performance. Super-B-level locks can effectively extend the technical and violent unlocking. Time is currently the best choice for home security. In addition, there are fingerprint locks and combination locks that also have high anti-theft performance. "The relevant person in charge of the Science and Technology Department of the Municipal Public Security Bureau introduced that if the public replaces the super B-level lock, it can be extended When unlocking time, criminals will consider committing the crime and will give up committing the crime.

Keys for type A and B locks