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What is cybersecurity?

What is cybersecurity

What is cybersecurity definition?

Cybersecurity defined as the practice of protecting critical computer systems and private information against cyberattacks.

Cybersecurity measures are designed to thwart assaults on networked systems and applications. These procedures are effective whether dangers are internal or external.

cybersecurity for businessImportance of cyber security

It prevents data theft and harm. This covers sensitive data, PII, PHI, personal information, IP, data, and government and business information systems.

Without a cyber security program, your company is an easy target for fraudsters.

Amazon Web Services and global networking increase inherent and residual risk. Inadequate cloud service architecture and competent cyber criminals increase the likelihood of a cyber attack or data breach.

Cybercriminals are becoming smarter and more resilient, so corporate leaders can’t rely on antivirus software and firewalls.

Any company level may be attacked. Employees must be taught about social engineering, phishing, ransomware (WannaCry), and other infections that steal IP or personal data. Data breaches may ruin even modest organizations’ reputations.

Learn about Cyber security

In 2020, a data breach cost $8.64 million in the U.S., compared to $3.86 million globally. These costs include expenses for recognizing and responding to a breach, downtime and lost revenue, and long-term reputational damage to a firm and its brand. Cybercriminals sell consumer PII in underground internet markets. PII comprises names, addresses, national identity numbers (such as Social Security numbers) and credit card information. A breach of personally identifiable information (PII) may lead to customer distrust, regulatory fines, and legal action.

Businesses with a comprehensive security strategy, managed by best practices and automated utilizing sophisticated analytics, AI, and machine learning may tackle cyberthreats more effectively and reduce the lifespan and impact of breaches.

Domains pertaining to Cyber security

A effective security strategy will incorporate multiple layers of protection to fend against cybercrime, such as cyberattacks that aim to access, edit, or destroy data, extort money from customers or the firm, or disrupt commercial operations.

Critical infrastructure countermeasures should address the following:
  • Safeguarding computer systems, networks, and other resources for national security, economic well-being, and/or public safety. The National Institute of Standards and Technology (NIST) has established a cyber security framework to help businesses, and the Department of Homeland Security (DHS) provides further support.

Network security refers to the precautions taken to prevent unauthorized access to a computer network via any connection method, including wired and wireless (Wi-Fi) connections.

Application security protects on-premises and cloud-based software. Data handling, user authentication, and other concerns should be considered throughout application design.

  • Security for the cloud, more specifically cloud computing that is truly confidential and that encrypts cloud data while it is at rest (in storage), in motion (as it travels to, from, and within the cloud), and in use (during processing), to support customer privacy, business requirements, and regulatory compliance standards.
  • Information security refers to the implementation of data protection procedures, such as the General Data Protection Regulation (also known as GDPR), that prevent unauthorized access to, disclosure of, or theft of your most sensitive data.

End-user education and organizational security awareness are also vital for endpoint security. Users may be told to delete malware-infected email attachments, avoid using USB devices from unknown sources, etc.

Disaster recovery and business continuity planning comprise tools and procedures for responding to unplanned events, such as natural disasters, power outages, or cyberattacks, to cause as little disruption as possible to key business processes.

  • Data storage protection—IBM FlashSystem® offers a wide variety of protections in addition to its rock-solid data resilience. This involves encrypting the data as well as creating copies that are immutable and isolated. These are kept in the same pool so that they may be promptly restored to enable recovery, thereby reducing the effect of any cyber attacks that may occur.
  • Mobile security IBM Security MaaS360 with Watson helps you to manage and protect your mobile workforce by providing app security, container app security, and secure mobile mail, among other mobile security features.

What is cybersecurityMyths about the security of computer networks should be avoided.

The number of cyber incidents is on the increase around the world. Nonetheless, misunderstandings continue to prevail, including the idea that:

  • Cybercriminals are people who are not affiliated with the targeted organization. Insiders typically cause breaches. These personnel may operate alone or in concert with outside hackers. These insiders may be linked with well-organized, state-backed groups.
  • Everyone is aware of the dangers. Hundreds of freshly found vulnerabilities in old and recently released software and devices illustrate that the risk surface is expanding. With these options, the chance of irresponsible employees or contractors causing a data leak grows.
  • We have confined the attack vectors. Cybercriminals are always discovering new attack vectors, some of which include cloud environments, Linux systems, operational technology (OT), and Internet of Things (IoT) devices.
  • The risks are low in my sector. Cyberattackers utilize government and private-sector communication networks, therefore each sector is exposed. Local governments and non-profits are being targeted by ransomware (see below). Supply chains,.gov websites, and critical infrastructure are also at risk.

The most common cyber-threats

Although cybersecurity experts work hard to prevent security breaches, attackers always seek new ways to elude IT detection, subvert protective measures, and exploit holes. Work-from-home circumstances, remote access technologies, and newly launched cloud services are being used in new security threats.

These constantly changing dangers include:

Malware: Worms, viruses, Trojan horses, and spyware are all examples of malicious software.

Advanced Persistent Threats (APTs): APTs are cyberattacks in which a threat actor or threat actors access a system and remain undetected for a long time.

Attacks known as “man in the middle”: An eavesdropping assault is known as a man-in-the-middle attack, and it occurs when a cybercriminal intercepts and transmits communications that are being sent between two parties in order to steal data.

Common dangers posed online

Distributed denial-of-service (DDoS) attacks: An effort to bring down a server, website, or network via a distributed denial of service assault (DDoS) involves flooding the target with an excessive amount of data, often coming from numerous synchronized systems.

Ransomware: Ransomware is a type of malware that restricts access to files, data, or systems and threatens to delete or destroy the data if a ransom is not paid to the cybercriminals who launched the attack.

Internal security risks: If someone abuses the rights they have to access a system or network, they might be deemed an insider threat.

Social engineering/phishing: Phishing is a sort of social engineering that involves tricking consumers into disclosing sensitive information or personally identifiable information about themselves.

Important methods and applications of cyber security technology

Using the best practices and technology outlined below, your firm may build robust cybersecurity that protects your important information systems. This won’t affect user or customer experience.

  • In hybrid multicloud systems, a robust data security platform secures sensitive data. The best data security technologies provide real-time insight into data vulnerabilities and continuous monitoring that warns them to vulnerabilities and risks before they become data breaches. These platforms should simplify government and business data privacy obligations. Backups and encryption protect data.
  • Full data security secures sensitive data in hybrid multicloud systems. The best data security systems deliver automated, real-time insight into data vulnerabilities and continuous monitoring that warns them to vulnerabilities and risks before they become breaches. This platform should make government and business data privacy standards easier to comply. Data backups and encryption are secure.
  • SIEM analyzes security event data to identify suspicious user activity and take preventive or corrective action. Modern SIEM systems utilize AI and analytics to identify user activity (AI). SIEM prioritizes cybersecurity threats responses depending on risk management. Many companies combine SIEM and SOAR technologies to automate and speed up security incident response. These tools automate and speed up a company’s response to cyber threats.
Security techniques based on a complete lack of trust

Business connections are growing. Your data, people, and systems have separate settings. However, integrating security rules into each environment increases complexity, rendering perimeter-based protection obsolete.

Your valuables and assets will be less secure. A zero-trust approach assumes compromise and checks the legitimacy and intent of every person, device, and connection entering the company.

To execute a zero-trust approach effectively, organizations must integrate diverse kinds of security information to offer context (device security, location, etc.) that informs and enforces validation criteria.

The 10 Most Popular certification

Many firms prefer individuals with a certification to prove understanding of best practices. General, vendor-specific, entry-level, and advanced cybersecurity certifications are available.
Before spending money and effort on a certification, be sure it will help your job.

Cyber security courses

Certification LinkedIn Indeed Simply Hired Total
CISSP 48,711 13,499 9,333 71,543
CISA 12,466 6,138 3,859 22,463
CISM 8,860 4,064 2,806 15,730
Security+ 5,371 3,583 2,698 11,652
CEH 5,894 2,401 1,697 9,992
GSEC 3,633 2,515 1,897 8,045
SSCP 3,682 2,442 1,859 7,983
CASP 2,918 2,052 1,500 6,470
GCIH 2,872 1,902 1,279 6,053
OSCP 2,798 1,948 949 5,695

Number of US job search results for each certification when searched on June 10, 2021

What are 5 types of cyber security?

  1. Critical Infrastructure Security
  2. Network Security
  3. Application Security
  4. Cloud Security
  5. Internet of Things (IoT) Security

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