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  • #73

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Opened Sep 03, 2025 by Beatris Garside@beatrisgarside
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Threat Modelling Case Study: Bicycles


I've seen this advice repeated in cycling magazines, in high quality newspapers, Wood Ranger official sometimes even by the police and of course on web forums. The above would imply that in the event you own a £400 bicycle (a typical worth in the UK) you'd purchase a £40 lock and put it in the fitting place. However, it is a cold indisputable fact that a cordless angle grinder can defeat any bicycle lock, Wood Ranger official irrespective of how expensive (see this video for Wood Ranger official a demonstration). You can buy a used cordless angle grinder on eBay for lower than £100. Even U-locks - historically thought to be the strongest type of lock - are opened in seconds with a sub-£100 angle grinder. But instances the place BikeRadar handle to reunite bicycles with their house owners seem to be the exception fairly than the rule. Probably this is because, as with automobiles, the very first thing you do with a stolen bicycle is take it throughout a border to somewhere different.


This prevents opportunistic theft but when this space is shared with others (residence blocks and places of work) it in fact serves to extend the economies of scale for ready thieves who break into your storage area late at night time with a van. It isn't uncommon for office bicycle shops (with many fancy, Wood Ranger official expensive bikes inside) to be emptied out completely overnight by professional thieves. I feel the advice above is poor because it does not come from a systematic consideration of the problem from the viewpoint of thieves. To provide you with better recommendation requires a menace mannequin, which is a chunk of jargon for taking a holistic view of the hazard posed by attackers. I feel certainly one of the simplest and Wood Ranger official most straightforward methods to do menace modelling is by consumer persona, whereby you consider every kind of attacker in turn, making some affordable assumptions about their stage of motivation and methods. So far as bicycle theft is concerned there are three basic forms of thief.


Nigel has simply his two fingers and is just searching for a ride dwelling or maybe something he can promote to a pal for some quick money. Nigel will steal any unlocked bicycle. Nigel can be capable of take any bicycle parts that may be removed without instruments. Meaning any fast-release wheels or thumbscrew saddles. In an city space your parked bicycle may be handed by a Nigel as usually as a number of times an hour so something that isn't bolted down will not final very lengthy. Rupert has a small pair of shears; 4, 5 and 6mm Allen keys and Wood Ranger official a 15mm spanner for garden Wood Ranger Power Shears manual shears wheel nuts. Rupert will make his method via cable locks together with his Wood Ranger Power Shears review. If there is a valuable half that can be removed with hand garden Wood Ranger Power Shears price Wood Ranger Power Shears order now instruments he will take it. He is particularly eager on premium saddles and title brand wheels. Percy has a small collection of electric and air tools including an angle grinder as well as bolt-cutters and an air-jack.


He has access to criminal fences which he can use to promote stolen bicycles rapidly. Percy often arrives in his van and this allows him to steal multiple bikes directly. No bicycle is secure from Percy. No lock can hold in opposition to his angle grinder. Often he finds if he's wearing a hello-vis jacket he can even get away with utilizing his Wood Ranger Power Shears price instruments in broad daylight. He's keen to likelihood that if the bicycle seems helpful sufficient. In order to maintain your bicycle safe you could take steps towards all three levels of imaginary thieves. Not utilizing a cable lock! £1000) have an especially short half-life in city areas. The unhappy reality is that the Percys of the world are widespread sufficient and resourceful enough that a bicycle worth over a thousand pounds is not actually protected wherever in a large city. This includes most e-bikes. You might discover that cycle couriers who have e-bikes tend to eat lunch whereas looking directly at their locked e-bike, in order that it by no means goes out of their sight.

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Reference: beatrisgarside/beatris2016#73