Defence Security Services

There are loads of different suggestions on picking the right CCTV camera system, but what about after that? It’s all good having a system that surveys the area but if the lens isn’t clean then your footage may not be as clear as you would want it. We recommend cleaning to be done regularly to avoid distortion in your footage.

Before you do anything else, make sure to switch off the system before cleaning. This is just in case the camera moves whilst cleaning. Get a can of compressed air to blow into the camera lens. This will help remove any loose debris which may be on the surface of the lens. Then use a microfiber cloth to gently wipe the camera lens. These cloths can be found in most electrical stores. Purchase some lens cleaner solution also. If you don’t want to spend money on solution then you can use your breath!  The moisture should help remove most blemishes on the lens.

There are many types of businesses that may require people to keep their mobile devices off. This is due to factors relating to not only keeping a space quiet but also for keeping certain signals from interfering with different devices in a location. This is especially important as mobile phone signals can easily cause larger machines to stop working properly if they get in the way. The ability to keep people focused on what they are doing in a specific area helps too.

Continue reading “Signal Jammers Can Be Useful For Businesses”

A continuation of our post from a few days back.

The only biometric that can be used remotely is voice recognition. The biometrics of the voice can identify the speaker, with that person not even being present. This is done by levering the audio of that person voice. Whether it’s a video recording, or voice audio, it’s possible.

Even if you have background noise on the recording, the actual technology can identify a speaker. Whether it’s a speaker in a busy area, or with a lot of background noise in general, the accuracy is still very high.

Voice recognition is something that isn’t understood very well. An example of this would be the recent James Foley news, where a lot of media outlets questioned voice biometrics, not fully understanding how it works. Below are a few facts to clear up any confusion you may have.

The unique characteristics in your voice mean a voice print can be created. This voice print mean that you can be identified using your voice.

The same way we all have a unique finger print; we all have unique voices also. Our voice print if actually more sophisticated than a fingerprint, with five times more characteristics in our voice compared to our fingers.

Without a master key, an individual may have to waste precious time finding the correct key for each door, and some warehouses will have numerous locked doors which is why a master key is imperative.

Pin keypads tend to be the most common type of door lock in retail premises and warehouses, but if you have normal locks then a master key is a must. Some companies will have hundreds of lockers, and master keys are crucial, allowing the manager or supervisor access to each of the locker should he or she believe that a member of staff is stealing.

There are many different reasons why master keys are important, and if you have a large number of key-locked doors, lockers or safes, then a master key could be a convenient solution.

Firstly, security entry systems can be combined together, for example you could use a pin-code system plus the key-card system to provide added security.
We’ve spoken about pin-code systems in a previous post so we will give you more about the key-card.
The is a lock which is operated by a key-card. This is usually a flat, rectangular plastic card similar size to a credit card. On this is a type of signature that the door mechanism accepts prior to opening the door.
There are several types of cards in use:

• Mechanical hole-card – they work by shining LED’s through the holes and detecting the result.
• Bar code & Magnetic stripe – work by swiping or inserting the card
• Wiegand-wire embedded cards – the wire is strategically positioned to create a unique pattern this generates the identification number. Just like magnetic strip or barcode, this card must be swiped through a reader to be read.
• Smart card (embedded with a read/write electronic microchip) and RFID proximity cards – are scanned, but they can just be brought into the vicinity of the sensor to be read.

The most common types are split into two main categories: obvious and subtle and unintentional versus Deliberate.

For example China is strict with what is allowed to be broadcast; they want to prevent foreign radio stations being listened to in their country, so they will disrupt the information flow by playing a continuous loop of Chinese music blocking the broadcasts. This is a very obvious type of jamming and is also a deliberate form of jamming.

Jamming a signal is as simple as overriding the signal at the receiving end of equipment with enough power.

In ‘war zones’ where radio/mobile phone triggered IEDs (Improvised Explosive Devices) can be a threat, radio jamming is essential. By blocking the signal this will stop the perpetrator from being able to intentionally set off the IED, therefore it is an extremely vital part of the protection of ground troupes and vehicles.

Interrupting radio transmissions isn’t always intentional; here are a couple of unintentional examples:

When the operator doesn’t check the frequencies before transmitting, he could transmit on one that is very busy, so his transmission won’t be picked up.

Sometimes equipment will radiate signal, which has been known to emit on an emergency frequency.

For some families or businesses having a guard dog can provide a massive sense of security. Picking the right dog is hugely important. Some can be integrated into family life and considered safe to be around all members of the family, however, some have been brought up in a purely professional environment. These trained animals are best kept in a cage, whether indoors or outdoors and released when needed to work. Be sure to get your dog from a safe and reliable source. You will usually come across ex-police or military dogs. As a new owner of a guard dog, you must ensure that general members of the public are protected from these dogs as they are trained to attack and/or defend you, your family and or your premises. Guard dogs are highly trained animals, however, they are still a descendent of a wild animal and so we recommend that you consider all of your other options especially when children are involved.