Information system is group of people, information technology, and business process to achieve a business goals. Information systems are a group of interconnected elements working to collect, process, store, and distribute data to provide coordination, visualization in an organization, analysis, and decision-making.The Information system can be represented as a set of software, hardware, and telecommunications network that people create and use to gather, produce, and distribute beneficial data, generally in organizational settings.Information System is a particular discipline or department of learning that is concerned with the application of data to organizational needs. The scope of information system involves manual, computer-based ... Read More

Information Classification is the procedure of classifying data into relevant categories. For instance, inside a company, the financial documents should not be diverse with public relation department documents. Instead, they must be kept in independent folders, and limited to the responsible individuals who are named to and entrusted with access. In this method, the stored data will be safe, and it will be simpler to be found when required.Information Security Classification needed that information first be recognized. An initiative is needed to actively discover data that is created, stored and managed by multiple business groups within the organization. By finding ... Read More

Information security is a group of practices designed to maintain personal data secure from unauthorized access and alteration during saving or broadcasting from one area to another. There are three pillars of information security such as confidentiality, integrity and availability that are essential to guaranteeing the effective safety of data are as follows −Confidentiality − The first pillar is confidentiality, is associated with guaranteeing that information of a specific classification is not disseminated to persons external the group for which it is defined. It makes clear that only those individuals who have access permissions will be able to examine specific ... Read More

There are some information security terms which are as follows −Rootkit − A hacker security tool that get passwords and message traffic to and from a computer.Threat − Any situation or event with the possible to unfavorably impact an information system via unauthorized access, elimination, disclosure, alteration of data, and denial of service.Authenticate − It can be authenticate the identity of a user, user device, or several entity, or the integrity of data saved, transmitted, or therefore exposed to unauthorized alteration in an information system, or to law the authority of a transmission.Authentication − Security measure predetermined to start the ... Read More

The major technical areas of information security are generally defined by the original CIA including confidentiality, integrity, and authentication or availability. Confidentiality defines that data cannot be created by unauthorized parties.Maintaining access control defines not only that users can create only those resources and services to which they are named, but also that they are not denied resources that they accurately can expect to access.Non-repudiation signify that a person who sends a message cannot deny that sent it and, conversely, that a person who has received a message cannot deny that received it. Moreover these technical elements, the conceptual reach ... Read More

Information security is the avoidance and protection of computer assets from unauthorized access, use, modification, degradation, destruction, and multiple threats. There are two main sub-types including physical and logical. Physical information security contains tangible protection devices. Logical information security contains non-physical protection.Information security defines protecting information and information systems from unauthorized access, use, acknowledgment, disruption, alteration or destruction. Governments, military, financial institutions, hospitals, and private businesses amass a big deal of confidential data about their employees, users, products, research and monetary status.Computer systems are vulnerable to several threats that can inflict multiple types of damage resulting in essential losses. This ... Read More

Any type of asset that is not operating optimally and is mission-critical or important to the organization, including data that are not backed-up, is known as vulnerability, while anything imperfect is known as weakness. Any type of counter measure that becomes fairly automated and meets the expectations of upper management is known as control.There are several types of controls in a computer security environment, and threats, are as follows −Malicious Software − Malicious software is also referred to as malware. It is a software that carry harm to a computer system. Malware can be in the structure of worms, viruses, ... Read More

Zombie computer is a computer under grab of a spammer who has infected the computer connected to a network with malware so that it facilitates as a tool of a spammer by sending out hundreds of emails from the owner’s email address. Therefore, an innocent user’s computer sends hundreds of spam messages without the awareness of the user. The spammers arrange zombie computers into small teams known as botnets. These botnets send spam such as phishing attempts, viruses and worms.Computers become element of a zombie network through malicious application (malware) that is unknowingly installed by users or automatically installed through ... Read More

A Password attack contains multiple techniques used by hackers to steal passwords. There are some password attacks are as follows −Brute-force − It is method in which a hacker attempt to guess a password by frequently entering in new set of words and phrases compiled from a dictionary to steal the password. It is making complex to guess usernames and passwords can avoid it.Packet sniffers − Packet sniffers are the technique used to capture data streams over a network to acquire sensitive information like usernames, passwords, credit card numbers, etc. Therefore, packet sniffers are also malicious forms of threats to ... Read More

Attacks can be defined by the relationship between threat, vulnerability, and damage. It can prevent attacks from viruses and worms, a current version of antivirus software must be used. Security threats associated with computer crime or abuse such as −Computer Viruses − The computer virus defines specifically as malware adding malicious programs into existing reports or programs. It circulates itself by several means. Viruses are treated as the general type of network security threat. Almost 90% of viruses are circulating through a connection on e-mails. However, a cautious user action can avoid the circulate of virus because virus needed a ... Read More