Physical Security is Protection of Assets from Strangers that may lead to Loss of Data
Protection of people, property, and physical assets from
acts and occurrences that could cause damage or loss is known as physical
security. Physical security is crucial, but it is often disregarded in favour
of cybersecurity. It has actually expanded to become a $30 billion industry. If
an attacker removes your storage media from the storage room, all the firewalls
in the world won't be able to help you. Because physical security is getting
more sophisticated thanks to technologies like artificial intelligence (AI) and
the internet of things (IoT), IT and physical security are becoming
increasingly intertwined, and security teams must collaborate to protect both
physical and digital assets.
Physical
security, at its most basic level, is about protecting your
buildings, people, and assets from real-world dangers. Physical deterrent,
detecting of intruders, and response to those dangers are all part of it. While
it could be due to natural disasters, the word is mainly used to refer to
preventing anyone — whether external actors or potential insider threats – from
gaining access to locations or assets that they shouldn't. It might be keeping
the general public out of your headquarters, on-site third parties out of
sensitive work areas, or your employees out of mission-critical locations like
the server room.
Limiting and controlling who has access to places,
facilities, and materials is critical to maximising physical security measures.
Access control refers to the steps taken to ensure that only authorised
personnel have access to specified assets. ID badges, keypads, and security
guards are common examples of business barriers. However, the technique,
approach, and cost of overcoming these difficulties might all be very
different. For most physical security systems, the structure is often the first
line of defence. Fencing, gates, walls, and doors all serve as physical
barriers against criminal access. Additional locks, barbed wire, visible
security measures, and signs all help to limit the amount of haphazard
cybercrime attempts.
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Breaking into a secure data centre, getting into restricted
portions of a facility, or using terminals they have no right to use are all
examples of physical attacks. Attackers could steal or destroy essential IT
assets such as servers or storage media, obtain access to critical terminals
for mission-critical applications, steal data via USB, or infect your systems
with malware. Extensive controls at the perimeter should be able to keep
external threats out, while interior access controls should limit the chance of
internal attackers (or at least flag unusual behavior).
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