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Mindmap von Ellen Greenough, aktualisiert more than 1 year ago
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Erstellt von Ellen Greenough
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Lesson 12 - Possible
Threats To Data
- Malware
- Hostile
software or
program
code.
- Hostile
software or
program
code.
- Opportunist
- People who find an unattended
computer which has been left
logged in a system may view,
steal or damage information
- People who find an unattended
computer which has been left
logged in a system may view,
steal or damage information
- Phishing
- A type threat which attempts to gain access to passwords,
financial details and other such priviled information. Often this
is done by email messages pretending to come from trusted
websites, instant messaging or social networks. Normally, they
try to divert you to a website which looks original and which
asks for information about you.
- A type threat which attempts to gain access to passwords,
financial details and other such priviled information. Often this
is done by email messages pretending to come from trusted
websites, instant messaging or social networks. Normally, they
try to divert you to a website which looks original and which
asks for information about you.
- Accidental Damage
- May be caused by a natural disaster
(flooding), mischief or accidental
mishap, and can result in losing of a
computer's data.
- May be caused by a natural disaster
(flooding), mischief or accidental
mishap, and can result in losing of a
computer's data.
- Possible consequences
of an attack....
- Reputation for being secure
might be damaged, potential
customers put off costing the
business money.
- When an organisation's secrets are
spread to competitors or to the wider
public, any particular advantage the
organisation has will be lost.
- Identity theft could cause
problems with obtaining loans and
other contractual agreement.
- Reputation for being secure
might be damaged, potential
customers put off costing the
business money.
- Physical Barrier
- These include turning off computers and
locking offices when the systems are
unattended ton prevent damage by people,
the environment (for example: fire, flooding)
or theft.
- These include turning off computers and
locking offices when the systems are
unattended ton prevent damage by people,
the environment (for example: fire, flooding)
or theft.
- Passwords
- Sequences of characters, known
only to the computer user, allows
access to a computer, network or
application.
- Sequences of characters, known
only to the computer user, allows
access to a computer, network or
application.
- Access Levels
- These can be set up the allow individuals to
have access to only specific levels of an
applications and to prevent unauthorized
users from accessing particular data.
- These can be set up the allow individuals to
have access to only specific levels of an
applications and to prevent unauthorized
users from accessing particular data.
- Anti-virus Software
- This is set up to intercept computer viruses
before they can become resident on the
computer. The software can isolate the
virus, remove it and sometimes repair any
damage.
- This is set up to intercept computer viruses
before they can become resident on the
computer. The software can isolate the
virus, remove it and sometimes repair any
damage.
- Firewall
- This is a piece of software that monitors all data
arriving at your computer from the internet and all
data leaving your computer. It stops anything that it
thinks is harmful or unwanted, for example viruses,
spam.
- This is a piece of software that monitors all data
arriving at your computer from the internet and all
data leaving your computer. It stops anything that it
thinks is harmful or unwanted, for example viruses,
spam.
- Encryption
- This is used to codify data so that it cannot be
read by anyone who does not have the key to
the code. An algorithm, sometimes known as a
cipher, is applied to the data at the transmission
end and the reverse is applied at the reception
end
- This is used to codify data so that it cannot be
read by anyone who does not have the key to
the code. An algorithm, sometimes known as a
cipher, is applied to the data at the transmission
end and the reverse is applied at the reception
end
- Backup and recovery
- Making a backup of data is the only way
of recovering from a total data disaster.
Many individuals and organizations
backup data to Flash solid state storage
devices or magnetic tape at night. The
tapes are stored safely in a separate
place, so that they are not destroyed by
any disaster, which could destroy the
master system (for example: fire,
earthquake).
- Making a backup of data is the only way
of recovering from a total data disaster.
Many individuals and organizations
backup data to Flash solid state storage
devices or magnetic tape at night. The
tapes are stored safely in a separate
place, so that they are not destroyed by
any disaster, which could destroy the
master system (for example: fire,
earthquake).
- Different types of
backups
- Full System Backup of all data held for a
specific purpose.
- Incremental Backup of files or data that as been
changed since the last full backup and its faster
than running a full backup every time.
- Backups to removable media, such as a
removable hard drive, USB sticks, CD's and
DVD's.
- Full System Backup of all data held for a
specific purpose.
- Identity Theft
- When someone steals your personal
details in order to use them to open
bank accounts and get credit cards,
loans, a passport or a driving license in
your name.
- When someone steals your personal
details in order to use them to open
bank accounts and get credit cards,
loans, a passport or a driving license in
your name.
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