Security Management Practices
Let’s imagine for a moment what would numerous
organizations and companies do without security
management. I am convinced that they would face a
serious problem. Such organizations risk being exposed
to both external and internal threats. External threats
are usually represented by such types of
malicious software as spyware, worms, Trojans, true
computer viruses and so on and so forth. Their list
seems to be unlimited. As far as internal threats are
concerned, here I mean leakage of important information,
theft and corruption of data. If any of the mentioned
above malicious software penetrates your computer or
network, it may lead to information loss, data theft,
etc.
That is why opposing to the increasing stream of hackers
and malicious software, companies prefer protecting
their business resorting to the help of security
professionals. Every professional in security subject
area is a qualified and skillful person who has passed
the CISSP examination. CISSP is an exam offered by
ISC organization that includes 250 questions
covering 10 security domains. The goal is to gain at
least 700 points in it. The list of security domains you
can see below:
• Access Control & Methodology
• Applications & Systems Development
• Business Continuity & Disaster Recovery Planning
• Cryptography
• Law, Investigation & Ethics
• Operations Security
• Physical Security
• Security Architecture & Models
• Security Management Practices
• Telecommunications & Network Security
Now I would like to suggest that we discuss one of these
security domains named
Security Management Practices. It is this domain
where such documents as guidelines, procedures and
policies are introduced. It is also runs the
identification of the company’s data assets. These
documents are based on risk analysis and assessment,
which helps to decide where protection mechanisms should
be set. Security Management Practices domain is aimed at
confidentiality, integrity and data availability
guarantee. These three concepts form a so called CIA
triangle, which is considered a basis of software
security and protection. Talking about confidentiality,
it restricts access to a certain file. However,
confidentiality may be lost if an unintentional outlet
of information takes place. Among threats that confidentiality
faces there are keystroke monitoring, shoulder
surfing and sniffing. The second component of the
CIA triangle is integrity which is based on the
concept that information is steadfast and was not
modified. Both authorized and unauthorized users may
cause the modification. Integrity also functions as an
obstacle for data modifications while this is in transit
or storage. And the last but not the least component is
availability. This notion is pretty clear – if you are an
authorized user, you have the right to use available
data and resources. It wonders that the importance of
these three concepts completely depends on what
priorities and goals this or that organization puts in
the first place.
Security Management Practices can be divided into five
categories:
• Risk assessment
• Policy
• Implementation
• Training and education
• Auditing the security infrastructure
Let’s consider some of these categories. Talking about
risk assessment it is worth mentioning that process is
aimed at verifying risks in the business and puting them
in a certain priority. Keep in mind that risk assessment
is an important stage in security, which is part and
parcel of stable security policy. As a rule risk
assessment is run either by senior managers or by
employees of lower levels. The first method is
considered preferable. It allows detecting the most
crucial points in the company’s security. What is more,
risk assessment run by employees is likely to be a
failure. The reason is the employees do not see risk and
stable security practices. Even though they may manage
to see them, as a rule they find it difficult to realize
necessary implementation. Here an important role plays
risk management that helps to verify threats the company
faces thanks to vulnerability and threat analyzing. Risk
Management’s major function is to determine what we
should do with an uncovered risk.
Another category of Security Management Practices is
Policy. Policy determines what to do after the risk
has been estimated. Policy involves the following items:
passwords, employee hiring, patch management, back up
and termination practices and so on. All the process
looks like that – senior management detects any risk
that serves as a basis for creating documents, which are
researches first and locked in then. In the documents it
should be clearly stated who is to solve the problem,
what is a risk level, etc. Security policy satisfies
informative, advisory and regulatory needs, every one of
which has its unique function.