cyber security services in london

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SECURIUM FOX offers cyber security consultancy
services with its expert and experienced team. We
are providing consulting services to prevent
cyber attacks, data leak and to ensure that our
customers are ready and safe against cyber
attacks, with more than 15 years of
experience.In addition to pentests and
consulting services, SECURIUM FOX prepares its
customers and field enthusiasts for real life
scenarios by providing trainings in the lab
environment which was prepared by themselves,
with its young, dynamic and constantly following
team.Everytime that hackers are in our lives,
there are always risks that we can face with a
cyber attack. Over the years cyber security has
become a critical precaution for all
organizations and companies after the effects and
number of attacks. SECURIUM FOX tests the weak
points of customers for possible attacks and
provides consulting services to eliminate these
weak points.SECURIUM FOX team also offers
support for the development of our country in
this field by supporting free events being
organized as a volunteer by the Octosec team.
ABOUT US
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• WI-FI SECURITY AND PENETRATION TEST TRAINING

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How to test wireless systems A step-by-step guide

• Penetration testing is like a car MoT or a
  service its a snapshot in time of the security
  posture of a given environment. However, whilst a
  penetration test is a critical part of ensuring
  an environment is secure, you also need to know
  what is going on for the other 51 weeks of the
  year.
• This how-to is intended to provide a quick guide
  for wireless testing. The idea is to get people
  up and running so they can start to discover what
  wireless networks are around. This is especially
  useful for companies/government/etc as,
  occasionally, neer-do-wells put rogue access
  points onto the corporate network. Finding such
  APs is critical in order to ensure that access to
  the private internal network isnt broadcast
  outside of the physical boundary.

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Kit

• One of the most important aspects of wireless
  testing is the kit. Back in the dark ages of
  wireless testing you needed the right PCMCIA card
  (Orinoco Gold!), Kismet, and a great deal of
  patience to get them all working together.
  Nowadays things are a lot more straightforward
  and tools like Kismet are more mature. In
  general, I use the Alfa Network AWUS036H USB
  wireless adapter

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• This has the advantage that it can be used with
  either a native Kali install or with a VM as it
  can be directly connected to the virtual machine.
  This is important as the device needs to be set
  into monitor mode (more on that later).
• The next question regards what platform to use
  for the exercise. This all depends on what youre
  looking to achieve. If it is a general scan of
  the wireless environment but spread over a
  reasonable area, then I recommend getting a small
  laptop or a netbook. I use either a Samsung N110
  netbook or a HP EliteBook 2530p (thank you
  eBay!). The netbook is light and the battery
  lasts for up to 7 hours. Ideal for situations
  where a lot of walking is required and where no
  power is available. The EliteBook is heavier but
  still much more portable than a standard laptop.
  Unless you have arms like Arnie and the stamina
  of a Mountain Goat then I recommend either the
  netbook of the EliteBook for walking around.
  There are some options with Android based
  tablets. YMMV with those.
• If there is no wandering around required then
  stick to your normal laptop, or even desktop, and
  run everything from a virtual machine.

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What operating system?

• Kali Linux is the best bet here. All of the tools
  Im going to discuss are included as standard,
  and the Alfa card works without any fuss. The
  last thing you want when it comes to it is to
  have to mess around with the OS and/or hardware
  to get things doing

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Monitor mode

• This is a critical aspect of wireless testing.
  Monitor mode is functionally equivalent to
  promiscuous mode for an Ethernet card. When set
  into monitor mode, a wireless card will hear
  everything in the air and pass it onto the
  listening application, for e

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Kismet

• Kismet is probably the most popular of the
  wireless tools out there. It runs on all flavours
  of Linux/BSD (and, allegedly, Windows!). Its a
  command line tool, but it uses curses to
  display data in a terminal-based windows
  environment. You need to be reasonably
  comfortable with the command line, such as how to
  invoke a terminal and run a program from it. When
  Kismet first starts there are a couple of things
  that need to be done. One is to set the source
  that kismet receives data from- the network you
  want to check out.
• The screenshot below shows the network trojan
  horse nest (no, I didnt make it up, my
  neighbours are beginning to scare me.)

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• then we can dig deeper. In the following
  screenshot we can see more information about the
  network. For example, as well as the ESSID we can
  also see the BSSID. The type, channel, encryption
  type, and other useful information is also
  available. It should be noted here that Kismet,
  for some reason, isnt always accurate with the
  encryption type. Airodump-ng does a better job of
  determining what encryption is being used, but
  well cover that in another blog post.

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What are we looking for?

• Once everything is set up, we need to know what
  the purpose of the wireless survey is. There are
  a number of goals that need to be achieved
• A site survey of the campus. This is usually used
  to determine whether all of the legitimate access
  points are working, where they are, and signal
  strength in various locations.
• A site survey to discover rogue access points.
  Has an employee, contractor, or malicious agent
  installed a rogue access point? What is it called
  and where is it?
• Assess the configuration of legitimate access
  points. For example, test the guest network to
  make sure it really is doing what youve been
  told it is.

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• Of course, all of the above (and others) can be
  achieved in the same exercise.
• One of the fun things to do, back in the day, was
  to go on a wardrive. This is taking your setup,
  along with a GPS, on a drive to see what access
  points are out there and to see how many
  unsecured or poorly secured access points there
  are. Theres an important point here under no
  circumstances should you attempt to access an
  access point that does not belong to you. Its
  illegal and you could end up in jail. You have
  been warned!
• The picture below shows a typical wardriving set
  up (vehicle not shown in the picture, mainly
  because it wont fit in the living room)

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Conclusion

• Wireless networking is, literally, almost
  everywhere. Hotels, fast food joints, coffee
  shops, and even public transport provide WiFi
  connectivity. Its almost as if we cant do
  without some form of Internet connection.
  Wireless site surveys are helpful in determining
  what legitimate access points are in an
  environment and whether there are any rogue
  access points. It can also help in determining
  what the configuration is and therefore whether
  it matches what was expected. In my next blog
  post Ill go into detail about tool use with
  Kismet.

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contact us through our email addresses or by
using the contact form on the side.

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