Abstract: Disclosed herein is a security apparatus comprising a blocking device having a formable bag and a marker layer including a transferable marker composition that can be transferred onto any object penetrating the marker layer and any other object or person coming into contact with the marker composition in the event of an attempt to remove the blocking device by puncturing the bag. The blocking device may block an access point such as a manhole to block unauthorised access. The formable bag may be made to conform to the shape of an access passage by inflation or deflation using valve.

Abstract: A security product is disclosed herein comprising a pouch containing a composition, the composition including a mixture of a liquid, a polymer, a light-emitting material and a plurality of marker materials. The pouch may form part of a blocking device blocking an access passage that gives access to a restricted area, such as a manhole, and the composition may be transferred onto an object or individual coming into contact with the composition if an attempt is made to break through the pouch.

Abstract: There is disclosed by the present invention a method of generating a marker to distinguish between genuine and counterfeit goods by applying to surfaces of items, articles, goods, vehicles, fabrics and/or premises, the method includes: applying at least one coding to the surface, where the coding is applied randomly such that the coding provides a unique pattern when subjected to a particular type of stimulus.

Abstract: A method for manufacturing a uniquely identifiable cable, comprising the steps of: providing one or more wires to be included in a cable; applying a marker system to said one or more wires; and coating the one or more wires having the marker thereon with an insulating layer to form the cable. A device capable of executing the method. A uniquely identifiable cable comprising a marker system formed by the method.

Abstract: A marker system for applying to surfaces of items, articles, goods, vehicles and/or premises, said marker system comprising: a marker comprising a temperature resilient medium having a predefined carbonisation temperature capable of securing the marker system onto a surface; wherein the medium contains an inorganic matrix having a predefined fusing point lower than the predefined carbonisation temperature of the medium; such that when the marker system is subjected to temperatures above the predefined carbonisation temperature of the medium, the inorganic matrix fuses to the marker to form an adhesive protective layer thereby securing the marker onto said surface. A composition comprising the marker system. An item, an article, a good, a vehicle and/or premises comprising a surface impregnated with the marker system.