What is Security Lock and where is it located on the VAIO computer?

Security Locks Computers & Tablets security slot lock It effortlessly latches directly into a laptop or other device equipped with the industry standard Kensington® K-Slot security-lock slot, providing security slot Compatible with any laptop, the Universal Laptop Security Lock System is the easiest way to physically secure your laptop Effortlessly install in seconds

security cable slot slot is asymmetric for both uplink and downlink and has multiple time slots whereas for GSM it is symmetric and one time slot The main fact that GSM used