Everyone knows that security is essential in the Digital Age. Regular news reports about high-profile cyberattacks and data breaches leave no doubt that strong security is a must. But what’s the difference between information security, cybersecurity and network security? There is definitely some confusion around these terms, in part because there’s a significant amount of overlap between them. In one sense, information security dates back to when
humans began keeping secrets; in the early days, physical files and documents were kept under literal lock and key. Once the business world began using computers, network security became essential to protect the electronic network infrastructure of these vital systems. The advent of the internet changed everything, adding once-unimagined technological capabilities but also creating new vulnerabilities; and giving rise to a critical new industry —
cybersecurity. So, which is the most important? While the first two are certainly critical to the practice of keeping systems, information and assets secure, it is cybersecurity that generates the lion’s share of the discussion these days. Nevertheless, some analyses regard information security as the umbrella term because it refers to the processes and techniques designed to protect any kind of sensitive data and information from unauthorized access, whether in print or electronic form. Under this view, cybersecurity is a subset of information security that deals with protecting an organization’s internet-connected systems from potential cyberattacks; and network security is a subset of cybersecurity that is focused on protecting an organization’s IT infrastructure from online threats. Though the terms are often used in
conjunction with one another, cybersecurity is considered to be the broader discipline, with network security defined as one aspect of information and/or cybersecurity. How do some of the industry’s leading players define these essential and closely related security terms? Information security, according to security training specialist the SANS Institute, refers to “the
processes and methodologies which are designed and implemented to protect print, electronic, or any other form of confidential, private and sensitive information or data from unauthorized access, use, misuse, disclosure, destruction, modification, or disruption.” The reference to “print” and information or data is significant, since cybersecurity pertains solely to digital or electronic information or data. Cybersecurity is “the practice of protecting systems, networks and programs from digital attacks,” according to high-tech giant Cisco. “These attacks are usually aimed at accessing, changing, or destroying sensitive information; extorting money from users; or interrupting normal business processes.” PCmag simplifies the definition to: “the protection of data and systems in networks that are connected to the internet.” Network security, the SANS Institute explains, is “the process of taking physical and software preventative measures to protect the underlying networking infrastructure from unauthorized access, misuse, malfunction, modification, destruction, or improper disclosure, thereby creating a secure platform for computers, users and programs to perform their permitted critical functions within a secure environment.” What Is the CIA Triad in Security?Whenever the conversation turns to information security, network security and cybersecurity, it is helpful to understand the CIA triad. Though the term CIA might at first bring to mind a shadowy world of spies and secrets when used in connection with the clandestine security industry, in this context it actually refers to a series of guidelines and objectives that security experts are focused on when developing policies and procedures for an effective information security program. The three elements of the CIA triad are considered the three most crucial components of information security. CIA – Confidentiality, Integrity, Availability Confidentiality: Ensuring that the information is inaccessible to unauthorized people, commonly enforced through encryption, IDs and passwords, two-factor authentication and additional defensive strategies. Integrity: Safeguarding information and systems from being modified by unauthorized people, thereby ensuring that the protected data is accurate and trustworthy. Availability: Ensuring that authorized people have access to the information when needed; this includes rigorously maintaining all systems, keeping them current with upgrades, using backups to safeguard against disruptions or data loss, etc. Widely observed throughout the security industry, the CIA triad, according to Techopedia, “was created to provide a baseline standard for evaluating and implementing information security regardless of the underlying system and/or organization.” [RELATED] How to Land the Best Jobs in Cyber Security [Includes Salary Data] >> Jobs in Information, Network and CybersecurityHere is a closer look at notable jobs from each of these security disciplines, as well as a sampling of job related titles from listings at the employment website LinkedIn. INFORMATION SECURITY Chief Information Security Officer A CISO is the executive-level manager who directs strategy, operations and the budget for the protection of the enterprise information assets and manages that program. The scope of responsibility will encompass communications, applications and infrastructure, including the policies and procedures which apply. Top duties include:
LinkedIn (Job Titles and Employers):
CYBERSECURITY Cyber Security Analyst Cyber security analysts assess, plan and enact security measures to help protect an organization from security breaches and attacks on its computer networks and systems. The job involves simulating attacks to identify vulnerabilities, testing new software to help protect the company’s data, and helping users adhere to new regulations and processes to ensure the network stays safe. Additional duties may include:
LinkedIn (Job Titles and Employers):
NETWORK SECURITY Network Security Engineer Network security engineers are responsible for the provisioning, deployment, configuration and administration of many different pieces of network and security-related hardware and software. These include firewalls, routers, switches, various network-monitoring tools, and virtual private networks (VPNs). These engineers are a company’s first line of defense against unauthorized access from outside sources and potential security threats. Job responsibilities may include:
LinkedIn (Job Titles and Employers):
It should be noted that there is considerable overlap in many of the positions that employers are hiring for in these three related disciplines. For further insight, check out this list of 50 jobs in this field “that every job seeker should know about,” from CybersecurityVentures.com. [RELATED] A USD Cybersecurity Entrepreneur Story: Lynn Hoffman and Cibernetika Educational RequirementsIt is well-known that the security industry includes a broad mix of professionals with varying experience and educational backgrounds — some are largely self-taught; others possess advanced degrees. This is important because, across all industries, demand for high-tech security talent (information security, network security, cybersecurity) far exceeds the current supply. Simply put, technology has brought new opportunities, and new risks, but the workforce is still catching up. To help combat this talent shortage and train the next generation of cybersecurity leaders, more colleges and universities are now offering advanced degree programs. At the same time, computer and IT professionals who have specialized in other areas are recalibrating their skillsets with a heightened focus on security. One such degree program, the Master of Science in Cyber Security Operations and Leadership, is offered entirely online by the University of San Diego to afford maximum flexibility to working professionals looking to take advantage of new career opportunities in the brave new world of cyberspace. Academic Director and Everyone knows that security is essential in the Digital Age. Regular news reports about high-profile cyberattacks and data breaches leave no doubt that strong security is a must. But what’s the difference between information security, cybersecurity and network security? There is definitely some confusion around these terms, in part because… Which term describes the technology that protects software from unauthorized access or modification?Cybersecurity is the protection of internet-connected systems such as hardware, software and data from cyberthreats. The practice is used by individuals and enterprises to protect against unauthorized access to data centers and other computerized systems.
What term is used to describe the technology that replaces sensitive information with a non sensitive version?Tokenization Definition
Tokenization replaces sensitive information with equivalent, non-confidential information. The replacement data is called a token. Tokens can be generated in a number of ways: Using encryption, which can be reversed using a cryptographic key.
What is the term used to describe the science of making and breaking secret codes select one?The study of enciphering and encoding (on the sending end), and deciphering and decoding (on the receiving end) is called cryptography from the Greek κρυπτός (kryptos), or hidden and γράφειν (graphia), or writing. If you don't know Greek (and not many of us do) the above letters could be a form of code themselves!
What is the name of the method in which letters are rearranged to create the ciphertext select one Enigma transposition substitution one time pad?Another type of cipher is the transposition cipher. Transposition ciphers use the letters of the plaintext message, but they permute the order of the letters.
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