What is cybersecurity?
In simple term, cybersecurity is the protection of your
cyber (or digital) assets or information system from attacks or unauthorised access
that are aimed for exploitation. In other words, it means keeping everything
you do online safe, so no one steals your financial and personal information to
use for their own gain. The panama papers, yahoo hack and Ashley Madison data
breaches are to name a few of oraganisations and common people.
The term ‘cybersecurity’ was coined in 1988 as a result of one of the first ever registered online viruses: the Morris worm. The worm caused many computers connected to the internet at the time to slow down to the point that they were unusable. More recently, cybersecurity has come to signify a form of protection from attacks designed to paralyse websites, financial networks and other computer systems; by flooding them with data from outside computer.
Protecting your cyber assets involves three simple
principles: Confidentiality, integrity and Availability.
Cybersecurity triad:
The guiding principle for
protecting your cyber assets are:
Confidentiality:
confidentiality means securing your information so that only authorised
users will be able to access and view them. This can be as simple as being
aware of your surroundings to make sure that nobody is peeping on your screen
from behind which I known as shoulder surfing. You may also use a privacy
filter in your computer to minimise the chances of shoulder surfing. Other
examples include setting access controls such as login accounts with strong
password.
Intergrity:
intergrity simply means ensuring the information stays
in its orginal from and isn’t modified when transmitted over a network. This
includes measures such as protecting your system and data from unauthorised
access and running intergrity checks to ensure that critical is not changed.
Availabiity:
availability means
ensuring that your system stays available to perform its intended function when
required. The reason why this is the most impotant principle is because our
ultimate goal is to secure our IT assets. It is not meaningful to have a
security system which is always down. Measures to increase your system
availability include having backups and redundancies.
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