Cyber security refers to the tech, process, and application designed to protect networks, devices,
programs, and data from attack, damage, or unauthorized access or snooping. Cyber security
may also be referred to as information technology security.
It is important because government, schools, military, banks, corporate, financial, and medical
organizations collect, process, and store unprecedented amounts of data on computers and other
devices. Now you may secure the computer by using a password. But as the technology has
developed every device which is connected to the network i.e. internet is not secure at all. A
significant portion of that data can be sensitive information, whether that be intellectual property,
financial data, personal information of employee in cooperate sectors or student’s information in
school or colleges or various other institutes, or other types of data like a customer data in
shopping malls or shopping websites etc. for which unauthorized access or exposure could have
negative consequences. Organizations transmit sensitive data across networks and to other
devices in the course of doing businesses, and cyber security describes the discipline dedicated to
protecting that information and the systems used to process or store it. As the volume and
sophistication of cyber-attacks grow, companies and organizations, especially those that are
tasked with safeguarding information relating to national security, health, or financial records,
need to take steps to protect their sensitive business and personnel information. As early as
March 2013, the nation’s top intelligence officials cautioned that cyber-attacks and digital spying
are the top threat to national security, eclipsing even terrorism.
As all the organizations, and big cooperate companies are choosing to store their data on cloud
which is easy to access from anywhere and easy to manage. Data on cloud reduces the risk to
loose data physically.
But this technology enhancement has increased the complexity in security purposes. Securing
data on cloud need a whole new technology.
In 2000 the count of number of new malware manufactured per day was 25. This count has
increased to 2500000 per day in 2016. Due to sudden increase in malwares or viruses the
security percentage of an application has decreased to 90% which was initially 95%. Now it may
seem like a small count but each count matters.
Now that IoT which is internet of thing has come up which is normal devices such as lights,
microwave, fans or daily use tech or electronic devices used are also connected to the internet.
Now the user can access these device using a remote or through their devices such as mobile or
pc using the internet. So basically embedded devices increased the complexity for designing the
device and to secure it.
With the increase in count of malicious activities needs the increase in count of man power to
work on every malware being develop which is nearly impossible. Ever organization needs an
another whole team for security purposes.
Type of security:
1. Network security
2. Application security
3. Endpoint security
4. Data security
5. Identity management
6. Database and infrastructure security
7. Cloud security
8. Mobile security
9. Disaster recovery/business continuity planning
10. End-user education
Terms one should be aware of:
1. Cyberterrorisms the disruptive use of information technology by terrorist groups to
further their ideological or political agenda. BOTNET is the famous kind of attacks
where botnet is the network of computers interconnected with each other and are
include in malicious activities such as snooping around in cooperate or other big
organizations and gain their data and then harass their owners to leak their data and
ask for some amount of money. This takes the form of attacks on networks, computer
systems and telecommunication infrastructures.
2. Cyberwarfare involves nation-states using information technology to penetrate
another nation’s networks to cause damage or disruption. This has become a common
crime in today’s world. In the U.S. and many other nations, cyberwarfare has been
acknowledged as the fifth domain of warfare (following land, sea, air and space).
These is a very common concept being used in today’s world as countries are seeking
information on other countries data on army forces or new technology for war being
developed such as nuclear weapons and then using information against the country.
Cyberwarfare attacks are primarily executed by hackers who are well-trained in
exploiting the intricacies of computer networks, and operate under the auspices and
support of nation-states. Rather than “shutting down” a target’s key networks, a
cyberwarfare attack may intrude into networks to compromise valuable data, degrade
communications, impair such infrastructural services as transportation and medical
services, or interrupt commerce.
3. Cyberespionage is the practice of using information technology to obtain secret
information without permission from its owners or holders. Cyberespionage is most
often used to gain strategic, economic, political or military advantage, and is
conducted using cracking techniques and malware.
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