月別アーカイブ: 2024年7月

First of all, GSM-compatible car anti-theft systems provide many conveniences for users. For example, users can remotely start the engine through their mobile phones, which is particularly practical in cold winter. However, these systems are also vulnerable to various hacker and attack threats. For example, using a mobile phone as a remote control for a car alarm may cause security issues because smartphones themselves are vulnerable to hacker attacks. Therefore, although the GSM car anti-theft system improves the security of the vehicle to a certain extent, its own security also needs to be further guaranteed. signal jammer

When discussing GSM car anti-theft systems, a key issue is how to prevent carjacking and other illegal activities. cell phone jammer In the past, people used code capture jammers to hijack vehicles. These devices intercepted all communication traffic by faking cell phone signal towers, misleading GSM devices into thinking that they were connected to real cellular towers. Although these handheld jammers improve security in some ways, they can also be abused and cause serious safety hazards.

On the other hand, the use of cell phone signal jammers can also affect the normal operation of GSM anti-theft systems. If someone uses a cell phone signal jammer near the vehicle, the vehicle’s GSM alarm will not work properly, resulting in the owner being unable to lock or unlock the car. Therefore, although these jammers are considered a security measure in some cases, their use still needs to be cautious. GPS jammer

More worryingly, recent studies have found that even modern GSM alarm systems are vulnerable to security vulnerabilities. For example, Don Bailey and Matthew Solnick found a security vulnerability in the GSM communication protocol that allows malicious individuals with technical knowledge to control the vehicle by sending specific text messages, including remote engine start. This discovery highlights the shortcomings of the GSM system in terms of security, prompting manufacturers to further improve and strengthen their protection measures.

Despite the security vulnerabilities of the GSM system, there are also some security measures that can effectively prevent these threats. For example, some automatic alarm systems use secure data transmission channels that are able to resist most attacks. However, the development and application of these systems still requires a lot of technical support and investment. Bailey and Solnik stressed that their research aims to prompt major manufacturers to review and improve existing alarm systems to improve their safety and reliability.

In summary, while providing convenience and improving security, GSM car anti-theft systems also face a series of security challenges. Whether it is the use of jamming devices or the vulnerabilities of the GSM system itself, they need to be given enough attention and attention. By continuously improving technology and strengthening protective measures, we can maximize our safety while enjoying the convenience brought by modern technology.

The New South Wales Corrective Services Department is about to end its five-year trial of mobile jammer technology at Lithgow Prison, which has achieved significant results in preventing prisoners from illegally using mobile phones. However, although the Lithgow trial is seen as a success story, the technology still faces difficulties in being rolled out across the state. signal jammer

Since the Lithgow trial began in September 2013, the Australian Communications and Media Authority (ACMA) has not received any reports of the technology interfering with mobile services in nearby areas. The relatively isolated location of Lithgow Prison makes it difficult for jammers to spread to surrounding areas. However, not all prisons enjoy such unique geographical environments. For example, Goulburn Prison, located between Sydney and Canberra, is located near residential areas, which makes the deployment of jammers more complicated.

The Australian Mobile Telecommunications Association (AMTA) and the Communications Alliance, which represent mobile telecommunications companies, have in principle supported the transition of the Lithgow trial into a regular technology deployment. But they also made it clear that this support does not mean a widespread expansion to other facilities. In a joint submission to the ACMA, they pointed out that the environment of each prison is unique and the isolated environment of Lithgow is unlikely to be replicated elsewhere. Therefore, the deployment of jammers for each facility needs to be considered on a case-by-case basis.

Telecommunications Commission’s (NTC) ban on the online sale of SMS transmitters and warned the public against the use of devices, including illegal signal boosters and jammers. Although these devices are designed to help during times of extreme disasters, they can cause widespread network interference and affect the normal use of public communications.

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Hazards of the devices

In an advisory, Globe Telecom said the use of illegal devices can cause a variety of network problems, including slow or failed network connections, dropped calls, poor voice quality, and even complete loss of mobile phone signal. Signal boosters appear to be beneficial by “occupying” the bandwidth of a base station to enhance network coverage and signal in a specific area, but in fact they interfere with radio waves and affect the mobile signal of other users near the booster.

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Types of illegal devices and their impact

Illegal signal boosters often come in the form of indoor or outdoor antennas or wireless adapters. These devices “occupy” the bandwidth of a base station by boosting the signal in a specific area, thereby interfering with the normal service provided by the base station to other users. This interference not only affects the quality of users’ calls, but also causes interruptions in network connections and signal loss.