Chapter 1: A CISO's Role in Security Leadership
In this day and age, the security of internet-connected devices and applications has increasingly become critical to the success of firms operating in the internet space. While the internet has provided numerous opportunities for businesses to conduct business, expand their operations, and reach their customers more easily, it has also introduced cybersecurity risks to both the businesses and the customers that interact with these businesses via digital platforms.
Cybercrime has been on the rise in recent years, and data breaches continue to wreak havoc among many companies globally. It has become essential for all businesses that deal with financial and other important data from customers to implement security measures in their organizations to ensure their organizations remain secure. Organizations now have departments that exclusively tackle security issues that affect an organization resulting from interactions with the digital world.
One of the key positions in modern organizations is the chief information and security officer (CISO), who is generally tasked with security-related duties.
In this chapter, you will learn who and what a CISO is, the requirements of the CISO role, the differences between other technology leadership roles, and what is required in the role for you to be successful. The chapter will also cover how to develop the core components needed to be a good CISO for your organization.
You can expect the following topics to be covered in this chapter:
- Defining a CISO and their responsibilities
- Understanding similarities and differences between a CISO and a chief security officer (CSO)
- Distinguishing between a chief information officer (CIO), a chief technology officer (CTO), and a CISO
- Designing a security leadership role
- Expanding the role of a CISO
- The changing role of a CISO
- How to become a CISO
- Learning about CISO certification
Defining a CISO and their responsibilities
In this section, we provide a definitive description of the term CISO, the role of a CISO in a firm, and the importance of this position in any modern organization. The section attempts to provide readers with an introduction to the world of digital platforms, the role they play in organizations, and the integral role that CISO executives play in making all this happen.
Definition of a CISO
A CISO has an executive-level position within an organization and is tasked with establishing and maintaining various mechanisms and structures that safeguard the informational and technological assets of the organization. CISOs are technologists who can participate in high-level initiatives as business strategists. CISOs ensure that information technology (IT) systems comply with security and regulatory requirements. In summary, a CISO is the top cyber executive of an organization.
The following screenshot shows a man interacting with a digital device that bears the name CISO and depicts a lock. It confers a message of the core role of CISO executives, keeping digital platforms safe from external threats:
Figure 1.1 – A CISO executive keeping digital platforms safe from external threats
In the next section, you will discover the responsibilities of a CISO.
Responsibilities of a CISO
The main responsibilities that a CISO performs in an organization include the following:
- Determining and establishing the right governance and security practices for the organization
- Creating and enabling a framework that ensures risk-free scalability of business operations
- Helping executives at a C-suite level understand cyber risks
These three items are the overarching responsibilities that define the main responsibilities of a CISO in any organization. On the other hand, some of the more minor responsibilities include the following:
- Evaluating the IT landscape and determining all the necessary factors that affect the security of the organization concerning digital platforms.
- Devising policies that impact the digital landscape affecting the organization's operations.
- Quantifying security risks and determining the level of risk they pose to the organization and taking necessary steps to curb the threat.
- Communicating effectively with the rest of the team regarding any updates and changes to a system as well as during the aftermath of a security breach, to ensure a united front when facing challenges posed by security breaches.
- Recruiting a capable team that is responsible for mitigating threats. As a CISO, it is important to have an informed team that can identify threats and take the necessary action against such threats.
- Keeping updated on the IT landscape to remain informed of evolving threats and the resources to help in mitigation against these threats. Adversaries stand little to no chance against a CISO who invests in studying new threats and is proactive against evolving threats.
- Auditing security measures that have been put in place to safeguard the organization and ensuring that these measures are not only up to date but also capable of protecting the company from security risks and threats.
The next section will clarify what a CISO executive does in an organization.
What exactly is a CISO?
Before we dive deep into the nuances of cyber chiefs' career paths, it is important to understand the nature of the role. Six critical responsibilities underpin a CISO's success, and we'll look at these roles in the following sections.
Trusted security advisor
As a CISO, you need to translate technical matters into the language of the business. In other words, you will be helping non-technological executives and boards understand technical matters and help them make risk-informed decisions confidently.
Strategist
As a CISO, you need to get involved in setting goals, determining actions to achieve the goals, and mobilizing resources to execute prioritized actions that need to be tightly linked to the business strategy.
Leader
As a CISO, you need to have leadership skills not just to build an inspired and bonded diverse team, but also set an example as a role model to create a culture of constant learning, innovation, and active collaboration.
Modern marketer
Modern marketing is the ability to harness the full capabilities of a business to provide the best experience for the customer and thereby drive growth. As a CISO, you need to evangelize cybersecurity capabilities to regulators, client prospects, insurers, and business partners—helping win new business, lower the cost of capital, and maintain a license to operate.
Change agent
CISOs should be able to create a cyberculture whereby everyone in the organization understands cyber risks and helps to mitigate them.
Influencer
CISOs should be able to influence critical stakeholders to support the cybersecurity transformation.
This section has shown what a CISO does in an organization and the various core roles they play within an organization. However, there are other similar roles in an organization, and the next section seeks to clarify the distinct role of a CISO in relation to roles played by other officers in an organization.
Understanding the similarities and differences between a CISO and a CSO
In some organizations, the roles of a CISO and a CSO may be synonymous. If an organization has a position for both individuals, it is most likely that they will have redundancy of roles. Both executive positions in an organization have similar roles, with subtle differences between the two. Both executives are responsible for securing information and assets such as information in an organization. A CSO is normally tasked with the security of people, processes, and products, while a CISO is tasked with specific security issues that ensure that people, processes, and products are protected. In many organizations, however, these two roles are used interchangeably, or one individual may perform both functions.
However, it is important to note that having two individuals playing these two roles in an organization can lead to conflicting scenarios due to the overlapping roles of the two executives and the ever-evolving nature of the challenges that could be classified under both roles. A CISO is tasked with supervising a company's cybersecurity by designing and implementing an organization's security program to deter and curb any security threats that may face the organization. A CSO also plays a similar role in an organization and ensures that the organization is safe from cyber threats and that all organizational assets, processes, and people are safe from both internal and external threats.
With the digital landscape continuously evolving, both a CSO and a CISO are required to keep up to date with current technological advances and changes. This requirement ensures that they keep abreast of any current changes in the digital sphere and evolving threats as well. Without continuous updates, adversaries will have an upper hand, and these two executives will have failed in their roles. Therefore, both executives are similar in their need to continually update their knowledge base to carry out their roles effectively.
This section has differentiated the CISO role from that of a CSO. Next, we will look at what differentiates the role of a CISO from those played by CIO and CTO executives in an organization.
Distinguishing between a CIO, a CTO, and a CISO
In many organizations, CIOs are the foremost leaders of IT departments, answerable directly to the chief executive officer (CEO) or the board of directors. They oversee strategic IT investments, manage IT operations, and lead digital transformations within an organization. If an organization is planning on making huge infrastructural changes that will affect the digital space, the CIO will be tasked with overseeing such projects, ensuring that all organizational information goals are met through the project and that the project meets the long-term mission and vision statements of the organization.
A CTO is an individual in an organization tasked with the integration of new technologies. The role typical...
