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What is Cyber Security?

Cyber security consists of technologies, processes and controls designed to protect systems, networks and data from cyber attacks. Effective cyber security reduces the risk of cyber attacks and protects against the unauthorizsed exploitation of systems, networks and technologies.

Robust cyber security involves implementing controls based on three pillars: people, processes and technology. This three-pronged approach helps organisations defend themselves from both organised attacks and common internal threats, such as accidental breaches and human error.


The three pillars of cybersecurity

1

People:

Every employee needs to be aware of their role in preventing and reducing cyber threats, and specialised technical cybersecurity staff need to stay fully up to date with the latest skills and qualifications to mitigate and respond to cyber attacks.



2

Processes:

Processes are crucial in defining how the organization’s activities, roles and documentation are used to mitigate the risks to the organization’s information. Cyber threats change quickly, so processes need to be continually reviewed to be able to adapt alongside them.


3

Technology:

By identifying the cyber risks that your organization faces you can then start to look at what controls to put in place, and what technologies you’ll need to do this. Technology can be deployed to prevent or reduce the impact of cyber risks, depending on your risk assessment and what you deem an acceptable level of risk.


Why is cybersecurity important?

  • The costs of data breaches are soaring:

    With the EU GDPR (General Data Protection Regulation) now in force, organisations could be faced with fines of up to €20 million ($22 millioni) or 4% of annual global turnover for certain infractions. There are also non-financial costs to be considered, such as reputational damage and loss of customer trust.

  • Cyber attacks are becoming increasingly sophisticated:

    Cyber attacks have become more sophisticated with attackers using an ever-growing variety of tactics to exploit vulnerabilities, such as social engineering, malware and ransomware (as was the case with Petya, WannaCry and NotPetya).

  • Cyber security is a critical board issue:

    New regulations and reporting requirements make cyber security risk oversight a challenge. The board will continue to seek assurances from management that their cyber risk strategies will reduce the risk of attacks and limit financial and operational impacts. A strong cybersecurity stance is a key defence against cyber-related failures and errors and malicious cyber-attacks, so it’s vital to have the right cybersecurity measures in place to protect your organisation.


Elements of cybersecurity

A strong cybersecurity posture hinges on a systematic approach that encompasses:

  • Application security

    Web application vulnerabilities are a common point of intrusion for cyber criminals. As applications play an increasingly critical role in business, organizations urgently need to focus on web application security to protect their customers, their interests, and their assets.

  • Information security

    Information is at the heart of any organization, whether it’s business records, personal data, or intellectual property. ISO/IEC 27001:2013 (ISO 27001) is the international standard that provides the specification for a best-practice information security management system (ISMS).

  • Network Security

    Network security is the process of protecting the usability and integrity of your network and data. This is usually achieved by conducting a network penetration test, which aims to assess your network for vulnerabilities and security issues in servers, hosts, devices, and network services.

  • Business continuity planning

    Business continuity planning (BCP) involves being prepared for disruption by identifying potential threats to your organization early and analysing how day-to-day operations may be affected.

  • Operational security

    Operations security (OPSEC) protects your organization's core functions by tracking critical information and the assets that interact with it to identify vulnerabilities.

  • End-user education

    Human error remains the leading cause of data breaches, and your cybersecurity strategy is only as strong as your weakest link. Organizations need to make sure that every employee is aware of the potential threats they face, whether it’s a phishing email, sharing passwords or using an insecure network.

  • Leadership commitment

    Leadership commitment is the key to the successful implementation of any cybersecurity project. Without it, it is very difficult to establish, implement and maintain effective processes. Top management must also be prepared to invest in cybersecurity measures. Cybersecurity should be given appropriate priority by the board to support further investment in technology, resources and skills.


What are the consequences of a cyber attack?

Cyber attacks can disrupt and cause considerable financial and reputational damage to even the most resilient organization. If you suffer a cyber attack, you stand to lose assets, reputation, and business, and potentially face regulatory fines and litigation – as well as the costs of remediation.


Types of cyber security threats

Ransomware

One of the fastest-growing forms of cyber attack, ransomware is a type of malware that demands payment after encrypting the victim’s files, making them inaccessible. Paying the ransom does not guarantee the recovery of all encrypted data.

Phishing

Phishing attacks are continually on the rise. Often indistinguishable from genuine emails, text messages or phone calls, these scams can inflict enormous damage organizations. 

Malware

Malware is a broad term used to describe any file or programme intended to harm a computer, and encompasses trojans, social engineering, worms, viruses, and spyware. 

Social engineering

Outdated software

The use of outdated (unpatched) software (e.g. Microsoft XP) opens up opportunities for criminal hackers to take advantage of known vulnerabilities that can bring entire systems down. 

Vulnerabilities in web applications and networks

Cyber criminals are constantly identifying new vulnerabilities in systems, networks, or applications to exploit. These activities are conducted via automated attacks and can affect anyone, anywhere.


How to protect against cybersecurity attacks

The most effective strategy to mitigate and minimize the effects of a cyber attack is to build a solid foundation upon which to grow your cybersecurity technology stack.

Solution providers often tell their clients their applications are 100% compatible and will operate seamlessly with the current IT infrastructure, and for the most part, this is true. The problem arises when we start adding IT security solutions from different manufacturers regardless of the granularity of their configuration settings – technology gaps will always be present.

And technology gaps will always appear for one simple reason: developers will always keep certain portions of their code proprietary as part of their competitive advantage. Hence, true compatibility and interoperability may only be 90%. These are known as technology gaps. It is through these gaps that attacks usually occur.

A solid cybersecurity foundation will identify these gaps and propose the appropriate action to take to mitigate the risk of an attack, enabling you to build a robust cyber ecurity strategy.


Speak to an expert

To find out more on how our cyber security products and services can protect your organisation, or to receive some guidance and advice, speak to one of our experts.

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