Sources of information and its types

Sources of information are such systems, the components of which ensure the location, integrity and availability of information on its purpose.

Depending on the type of object you are interested in, sources can be classified in some way.

Types of information sources

1. Open or relatively affordable;

2. Half-open (not completely classified, but controlled by someone);

3. Closed.

Sources of information can be:

1. knowledgeable people;

2. documents;

3. Means of wire and wireless communication.

Known persons are those who clearly or potentially possess the necessary information. These are sources of information such as:

1) Experts, i.e. Individuals whose professional contacts and knowledge (work, hobbies) allow you to orient in the matter of interest. They can give out basic materials, bring them to new sources of information.

2) Informers are individuals from the enemy group who supply material about the activities of their employer. The truthfulness of the materials provided by them can be quite high.

3) Frightened are all knowledgeable people who provide information under pressure. In this case, the truth of the reported is not guaranteed.

4) Agents are trusted people who are surrounded by an object. The reliability of the data supplied by them depends on their individual qualities.

Sources of information, in the capacity of which knowledgeable people act, may be other persons who accidentally own the necessary data.

Documents as sources of information:

1) Official documents characterizing the object.

2) Archives and business papers.

3) Carriers of computer information - databases, disks, flash drives, etc., from which you can print the necessary information.

4) Personal archives and papers - notebooks, notes on calendars, etc.

5) Garbage - accidentally lost or discarded drafts and notes.

6) Public information is published in newspapers, on Internet sites, TV and radio stories, lectures and speeches delivered by someone.

Technical means of communication

Sources of information can be the means of wire and wireless communication (a variety of technical means of processing and transmission of information).

These include:

1) Corded telephones. In this case, we are informed of information or it is listened to by special services in order to find out what interests them. In this case, there is the possibility of wiretapping not only telephone conversations, but also what is said when the door is closed with the handset placed on the lever.

2) Mobile communications and pagers. Such devices are available for listening to ordinary radio interception by an appropriate scanner, if there is no special protection.

3) Telegraph, telefax, teletype. Through the channels of such devices, the graphic and sign information circulates, which is printed on paper carriers, which is very convenient in business relations and relationships.

4) Personal radio stations that are usedfor civil and service radio communication. If the facility does not provide special protection, then it is not difficult to intercept signals from such a radio station.

5) Computer networks. Many organizations have local networks for communication between computers with Internet access. This allows you to connect to the cable and "count" the information that is in the memory directly to the computer, and the one that is transmitted over the network.

It should be borne in mind that the information requiredfor making the right decision, is usually either expensive, or not at all. The cost of information should include the time spent by managers and subordinates to collect it. Therefore, it is necessary to decide how important the benefits of this information are.