2020 Septemberpage 5

Why should public WIFI will be used to lose personal information?

Mass users and fragmented internet habits make public WiFi a mandatory requirement in the mobile age. Thanks to this feature, the WiFi Universal Key, which provides a free network service, has been introduced with 900 million users for four years. Google and Facebook have launched similar services in several regions.

In recent years, however, the media have repeatedly reported theft of user accounts caused by the use of public WiFi. The public has had tremendous fears about the security of the public WiFi: whether the public WiFi is being used, it can lead to the disclosure of personal information and even damage to property?

How did your personal data come out? Maybe you drink coffee, use free wifi and then personal information is stolen. In recent years, free public WiFi has become a hidden danger for citizens to divulge personal information and compromise network security. Therefore, WLAN management in public places has come into focus. Corresponding countermeasures are also currently being investigated.

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Hackers set a camouflage WiFi, a parasite highlight of the signal is very strong, can suppress the coverage of the normal radio signal, set up a cell phone and network dialog between the listening level in the users and the operation of the first one, which passes on your disguise WiFi then , in the WLAN network, your personal data is in a state without data protection. This means that everything you do on your phone can be viewed.

How does the hacker transfer your money over WiFi?

Step 1: The hackers set up free WiFi to allow the victim to access the mobile phone.

Step 2: When disguising the website, write down the password of the victim’s login to the phishing website and personal information.

Step 3: steal user information and steal the victim’s bank card number password.

Step 4: Install victim mobile trojan virus and block user SMS.

Step 5: Use trojan virus to steal cell phone payment verification code and complete the theft.

How do you protect your network security?

First of all, do not connect the unknown wireless network, online shopping, payment and other sensitive operations. It is recommended not to use public WiFi.

Second, the cell phone, computer and other electronic products to kill viruses, install security software, and change the password frequently to maintain security.

Third, using a wifi jammer can effectively avoid automatic access to unknown WIFI, which can prevent your smart device from being attacked.

Fourth, the person’s confidential information must be properly kept, not in email, chat tools, and other places where account password information is revealed. Different websites and systems suggest using different accounts or passwords.

Saab is testing its new attack jammer for the Gripen!

The aircraft manufacturer Saab has carried out the first flight tests with its new, advanced jamming module Electronic Attack Jammer Pod (EAJP). The new drone jammer was tested on a JAS-39D Gripen fighter aircraft. The interfaces of the module to the aircraft hardware and software as well as to the control and monitoring of the cockpit were tested during the flight.

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Saab’s new EAJP module aims to protect aircraft with sophisticated jamming functions from radar and prevent the enemy from attacking them. The first flight marks an important stage in the nacelle development program.

Saab is refining its electronic attack capabilities and the new advanced module is an important part of this development. The EAJP perfectly complements the integrated electronic attack functions of the advanced electronic on-board warfare system of the new Gripen E / F fighter from Saab. It can also be used for other types of aircraft. The nacelle is part of the Saab AREXIS family of electronic warfare systems, which includes: radar warning signal receivers (RWR), intelligence, surveillance and reconnaissance (ISR) and electronic countermeasures (ECM) that are combat aircraft compliant.

Electronic war systems are also used for self-protection by passively detecting radar systems and enemy missiles and protecting the aircraft or platform with active and passive countermeasures. Offensive electronic warfare, also known as electronic attack, involves actively sending jamming signals to disrupt the enemy’s air defense systems so that they are no longer a threat.

The EJP gondola:

The new low-band signal jammer is contained in a 4 m long and 350 kg heavy demonstration module. Wing-shaped surfaces are used to house the low frequency antennas. According to the Swedish aircraft manufacturer, currently only the US Navy Boeing EA-18G “Growler” can neutralize hostile electronic defenses. The EAJP has the ability to filter and thus protect the approach and departure of entire formations from low-frequency radar, thanks to the intelligent use of DRFM (Digital Radio Frequency Memory) encryption techniques, which generate false coherent and different targets. Saturation Techniques. The system is based on digital receivers and ultra-broadband DRFM devices, networked solid-state jammers based on gallium nitride (GaN) and interferometric direction finding systems. For advanced electronic attack application, these technologies are adapted to the low frequencies required to block modern stealth defense systems.

Intended for a wide range of aircraft:

If the EAJP is previously used in Sweden for aircraft of the Gripen C / D and E / F families, Saab will also advertise the EAJP nacelle to enable possible integration with other aircraft types. possibly including the Eurofighter. In Germany, for example, the Tornado ECR is to be replaced and the Eurofighter T3 ECR “SEAD” * (article tomorrow) is to be equipped. Other countries may need such a solution to equip their aircraft fleets. Saab expects it can deploy a NATO-compliant operational system in the next 12 months.

Are all wireless networks susceptible to interference?

There is a lot of buzz about enterprise access networks being “fully wireless” as the increased throughput and range of next-generation 802.11n WLANs become available in IEEE standard products.

One consideration for using unlicensed radio waves solely for corporate LAN access is the impact of interference on network availability. Jamming is a form of wireless denial-of-service attack in which a single device transmitting at a higher power than those nearby blocks the connection to lower-powered devices. If you put all of your broadcast eggs in one wifi basket, a malicious paper jam can bring your access network to its knees.

Fortunately, to date we haven’t heard much about deliberate, unintentional jamming attacks on any particular company or hot spot. But once businesses go wireless, I wonder if that raises serious security concerns.

Inadvertent interference is common in cell-based Wi-Fi network systems. It emits from bluetooth devices, microwave ovens, cordless phones, Wi-Fi access points in a neighboring office, and other competitors for unlicensed spectrum. You can use spectrum analyzers such as those from Cognio and its many resellers and OEMs to identify and locate such sources of interference. Basically, you then use Ankle Express to deactivate them.

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But what if criminals come into play? jammer device exist today primarily for legitimate testing purposes. If the jammer is within FCC Part 15 power limits – 1 watt plus 6 dBi antenna gain, or around 4 watts – a legitimate device can easily broadcast most Wi-Fi devices, which typically emit around 100 milliwatts of power Craig Mathias, Principal at Farpoint Group in Ashland, Mass.

“There are a number of jammers on the market that can completely shut down 802.11,” says Mathias. “You need some kind of radio that can pinpoint where the radiation source is coming from. If the jammer is illegal [broadcast at levels above FCC limits] it can be distant and difficult to fix.”

Mumbai: Cell phone jammers could soon appear in BMC theaters

“Something must be done to stop cell phone harassment during the game and performances. Jammers will allow audiences to enjoy the show peacefully,” Mhatre said

Pradnya Dongaonkar, a resident of Dadar, has a complaint that will resonate with most theater and cinema goers. “It’s really annoying when a cell phone rings in the middle of a show. Anyone who violates the norms and instructions to ensure the cell phone stays idle or completely shut down should be fined.” While a fine may be a long way off, there could soon be prevention, at least in civil society-owned theaters.

Citing the fact that cell phone interruptions during live performances in lecture halls and theaters have often become a nuisance, the BMC decided at its general meeting to install signal jammer. The proposal was put up for discussion on July 25, 2019 by Shiv Sena company Shital Mhatre. The proposal, which the BMC has accepted for consideration, is now being announced for suggestions and objections.

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“Something must be done to stop cell phone harassment during the game and performances. Jammers will allow audiences to enjoy the show peacefully,” Mhatre said.

But not everyone agrees with the idea. Ajit Bhure, a theater personality who heads the Association of Commercial Game Producers, says, “Sometimes people make mistakes, but nobody does it on purpose. Disturbing an entire theater will cause big problems. It will not network people, it will network Artists cut up for four hours. If there’s an emergency during that time, how do people know? ”Bhure suggested instead creating awareness of mobile manners.

However, once a cell phone jammer is installed in a theater, it is no longer a permanent function. “After the BMC has received the necessary permits from the central government, it will continue with its plans. Even with the jammers installed, the facilities will only be made available if the request is made by theaters and producers, associations or organizers. The The application must be made in writing, “says the administration’s letter.

High quality drone jammers for military applications

Jammer-mart specializes in the production and sale of high quality signal jammers and offers a wide range of jammers for military applications.

Jammers for drones include portable models, desktop models, suitcases, briefcases and models for various purposes.

Other models include bomb jammers designed to protect vehicles from improvised explosive devices (IEDs), prison jammer to protect the area, remote jammers to remove remote controlled devices, and a range of Wi-Fi mobile devices and systems (GSM) jammers for addressing of radio and GSM signals.

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Drones disrupt the remote control and GPS signals

Jammer-mart offers a special range of jammers with which the remote control (RC) of an unmanned drone / quadrocopter for aircraft (UAV) or its GPS signal (Global Positioning System) can be disrupted.

Most commercial 3km to 5km high-end UAV drones / quad copters only use 2.4GHz Wi-Fi and GPS L1. All other drones with 5.8 GHz, 433 MHz, 928 MHz can control a maximum length between 500 m and 1,000 m.

We offer devices with proven radio technology and guarantee reliable operation and stability.

Remote controlled jammers series

Jammer-mart is developing a special series of jammers designed to restrict RC signals from various devices including RC cars, boats and toys, as well as quadcopters, alarms and wireless sensors.

Jail jammer for military locations

Prison Jammers are intended for prisons and other large sensitive locations such as military or government buildings. They can also be used in military units, security and intelligence services, oil and gas storage facilities and fields, and in museums.

The jammers can be used to block occupant phone communication if necessary.

Portable briefcase jammers for RC bomb protection

The Portable Briefcase with Radio Controlled Improvised Explosive Device is a portable broadband jamming system that protects VIPs and citizens from radio controlled improvised explosions by deactivating radio signals to control exploders in dangerous areas.

Briefcase jammers emit radio frequency (RF) interference, creating an “RF protected zone” around the object (or a group of objects in that zone) that allows radio-frequency remote activation of bombs (activation of cells / mobiles, radios, and others various radio devices) in the vicinity with a sufficient anti-trap safety radius to save lives and avoid serious injuries.

Vehicle and briefcase jammers also guard police and government offices, security forces, dignitaries and VIPs, checkpoint and border crossings, roadblocks and embassies.

Jammers are available in different models depending on frequency and output power, but can also be customized to meet user requirements.

GPS tracking and location of jammers

The GPS signal jammer models are designed to cover GPS tapes and other tracking and positioning devices to provide an effective combat solution that goes undetected by GPS trackers and Wi-Fi Android tracking devices.

About wretched world

Jammer-mart focuses on the market needs and security trends and then develops drone jammers to meet the growing demands of the security market such as the rapidly growing UAV market.

We supply an extensive selection for every possible application.

Set the distance due to GPS interference

From the construction of offshore wind farms and dredging ports to marine surveying and the laying of underwater cables, GPS receivers have established themselves as a critical element in many offshore and nearshore applications. Downtime in GPS tracking at sea can be dangerous and costly. GPS downtime is increasingly attributed to malfunctions.

The location of a chirp jammer in the car on Shelter Island that was used to simulate the effects of GPS interference on San Diego Bay. GPS signals are transmitted at power equivalent to that of a standard lightbulb. They are expected to travel more than 20,000 km and still be suitable for high-precision position calculations. In most cases, the signals arrive relatively intact, but can hardly be distinguished from the thermal background noise and can be ducks for any passing interferer.

Maritime applications are increasingly using high-precision positioning such as RTK and PPP, which not only use the code information modulated onto the signals, but also the phase of the signal itself. In the presence of interference, these phase-based modes suffer first.

The use of GPS signal jammer is strictly prohibited, but their effects can be assessed using a GPS simulator. Using the example of the port of San Diego, a simulator was programmed to generate the GPS signals that a receiver on a boat would see at that location. The interference of the GPS signals was mimicked by mixing the simulator signal with that of a jammer. With the jammer in the location shown in Figure 1 and the GPS receiver on a boat near the bay, the effect of interference across the bay could be extrapolated using standard models for the propagation of radio waves.

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The results in Figure 2 show that a small 10 mW chirp jammer without AIM + interference mitigation can turn off RTK positioning over several hundred meters. When AIM + is activated, the non-RTK zone in the immediate vicinity of the jammer is reduced to a few meters.

The effect of a 10 mW chirp jammer on GPS positioning in San Diego Bay with and without AIM + interference mitigation.

If you repeat the tests with a Continuous Wave Interferer (CW) of the same power, the results with AIM + are even more dramatic, as Figure 3 shows. Without AIM +, a CW interferer in the parking lot near the coast prevents RTK positioning or GPS positioning over a large part of the bay and extends several kilometers to the sea within sight of the jammer.

The effect of a 10 mW continuous jammer on GPS positioning in San Diego Bay with and without AIM + interference mitigation.

A comprehensive approach places interference issues in the foreground of the receiver design and incorporates them into every phase of signal processing. With the AsteRx4 OEM and AsteRx-U, the antenna signal is digitized immediately after filtering and automatically freed from interference using several adaptive band-stop filters.

Depending on the type of interference, the stop bandwidth is automatically set between a notch of a few kHz to 1 MHz in width. The notch filters are supplemented by an adaptive filter that can suppress more complex types of interference such as chirp jammers, frequency hopping signals from DME / TACAN devices, and powerful Inmarsat transmitters.

Detection of GPS interference technologies against autonomous vehicles with cost-effective solutions

As consumer drones become more accessible and capable, as well as new opportunities, so too do concerns about potential security threats. Consumer drones can be purchased almost anywhere these days at an affordable cost and are widely used due to their ease of use and low cost. However, they also pose significant risk to organizations in key sectors, and the news that these drones are being used for surveillance and other malicious purposes is nothing new. Fortunately, as technology advances, various ways have been developed to counter such drones and detect them from system to system via audio, radar, etc. depending on the system.

Wireless technology plays a vital role in controlling unregistered UAVs to keep businesses safe and secure. Rajant Corp’s DX-1 Development Kit is one such technology – it is a small, lightweight radio with antennas that offers strong multi-frequency encryption options for high-performance use. The company is also testing detection technologies for other video, radar and sonar devices.

Similarly, the Infinidome GPSdome is the world’s first non-military GPS anti-jammer technology to be commercially available and used across the critical infrastructure space. The Israel-based wireless security company develops solutions to detect and secure the wireless communication of various autonomous vehicles. At the beginning of January, it received bridge funding from the European AI fund Boundary Holding, whose investment is intended to help the security company advance its path into mobility technology. With Infinidome already earning over $ 1 million, funding from Rajat Khare-founded company will hopefully further boost Infinidome to move towards autonomous technology and gain a head start in the marketplace.

The use of drones has shifted dramatically in recent times – from entertainment to commercial purposes. As a result, such reliable solutions to detect and combat potential threats have become the order of the day.

UAV jammer have become the most effective solution to the threat of UAVs. It can make the drone lose signal control and slowly land to the ground.

Russia is blocking GPS systems with powerful F-22 raptors and F-35 jets in the Middle East

Among other things, Russia’s electronic warfare, including disruption, poses a major threat to civil aviation, police and peacetime medical operations.

Experts differentiate between jamming and spoofing. While interfering with the generation of electronic noise amounts to interfering with GPS services, spoofing, on the other hand, involves deceiving and manipulating a satellite navigation system to provide incorrect data.

In late June 2019, The Times of Israel reported that pilots flying in the Middle East, particularly Syria, have found since last spring that their GPS systems are in the wrong location or are no longer working at all.

According to data collected by American researchers, the signal that disrupted satellite navigation for planes flying through Israeli airspace (and allegedly continues to do so until now) came from the Russian airbase in Khmeimim in Syria.

The Khmeimim Air Force Base houses sophisticated Russian military hardware, including S-400 surface-to-air missile batteries, Pantsir-S1 anti-aircraft systems, and Su-57 stealth fighter aircraft

Russia is most likely trying to protect its forces in Syria, including from drone attacks, by disrupting and conducting active electronic warfare. According to The National Interest, Israeli sources are “increasingly convinced” that GPS failure of civilian flights in the region is “a side effect of Russian radio interference in Syria.”

In recent years, ships have also reported GPS malfunctions in the eastern Mediterranean, with Russia suspected of having implemented electronic traffic jams to protect its troops in Syria fighting for the Bashar al-Assad regime.

However, the disruption may well be the result of spoofing. Ships posting about GPS problems in the U.S. Coast Guard’s navigation center reported what appeared to be authentic satellite signals but failed to receive credible positional information, reflecting the spoofing events in Syria near the Russian air base.

Moscow is believed to be attempting to disrupt western aircraft, including the latest stealth F-22 and F-35 fighters, as well as armed drones that are regularly attempting to attack Russia’s Khmeimim base in Latakia, Syria .

From April 2019 the US Air Force deployed the F-22 and F-35 stealth fighters in Qatar and the United Arab Emirates, respectively. This was part of a wider buildup against the backdrop of the US-Iranian confrontation in the region.

Russia can also be seen in the GPS war on the European continent. “A GPS signal jammer was first detected in late October 2018 during a large-scale NATO trident junction exercise in Norway,” Defense News said.

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The Norwegian military secret service then stated that they had registered a source of interference from a Russian military base on the heavily fortified Kola Peninsula. The Finnish Military Intelligence Service also expressed that the analysis of the Norwegian partners reflected its own investigations and assessments.

The Norwegian government has condemned what it calls the Russian government’s continued “electronic harassment” of critical communications systems and networks. “The Norwegian government detests Russia’s electronic jamming and is intensifying cooperation with Nordic partners to improve the exchange of information on the Russian military’s signal blocking technologies and measures,” said Norwegian Defense Minister Bakke-Jensen.

The Norwegian Armed Forces are also investigating the use of new methods and technologies to protect against military communications disruptions and the interference of GPS systems by Russia. The US Air Force is currently planning to test interference-resistant GPS systems in Europe. This will be done with the aim of countering Russian electronic warfare.