CISO job description: What does a CISO do?

A chief information security officer deals with far more than firewalls and antivirus software

A businessman working on a futuristic tablet that is displaying the word 'CISO'

Although 2020 will go down in history as an exceptionally difficult year for IT professionals and businesses alike, it doesn’t mean that 2021 will be any easier. In fact, even as employees eventually return to the office, they’re likely to continue working remotely at least for some part of the week on a more flexible basis than before the pandemic, which brings additional security challenges for IT teams.

Moreover, due to some recent high-profile cyber attacks such as the Solarwinds hack, companies are looking to revise their cyber security strategy as well as their response and monitoring capabilities. This is in order to avoid making the same blunders and potentially losing the trust and loyalty of their customers – which, during a financial crisis, can be especially detrimental.

We all know that the world has changed drastically ever since the pandemic began – and so has the state of security. This is why cyber security experts have had such a busy 12 months: from Zoom to the aforementioned Solarwinds attack, businesses require security competence as well as strong leadership skills more than ever before. In these uncertain times, they need someone who can be entrusted with maintaining the safety and security of the enterprise and its data. 

This responsibility could be perfect for a chief information security officer (CISO), whose role we will examine in this article. From requirements to reimbursement, we analyse the details of this exclusive job position so that you too can find out whether this could be the right role for you.

What is a CISO?

In order for that responsibility to be taken seriously, a strategy and someone to lead that vision from theory into reality is required. Enter the chief information security officer (CISO). First borne as a role that was exclusively the preserve of US companies, the job title has now made its way to British shores, too.

The CISO, who may also be referred to as a chief security architecture or information security manager, is an executive role that oversees the protection of company and customer data, as well as the protection of infrastructure and assets from malicious actors.

In an age of rampant data theft and aggressive but important legislation, such as GDPR, every IT facility in an organisation must be secure. That not only requires the implementation of security safeguards but also the training and educating of employees. With the majority of cyber security incidents being the result of employee error, it's important that a CISO is looking both internally and externally for potential threats.

As the threat landscape continues to evolve, the work of a CISO must also keep pace.

What responsibilities does a CISO have?

CISOs have a wide range of responsibilities that extend far beyond dealing with firewalls and antivirus software. They are responsible for hiring IT personnel, for providing necessary policy direction to protect the company from emerging threats., and for directly managing senior IT team leaders to ensure they are prioritising the right aspects of a strategy at any given time.

A CISO must also spearhead the company's IT security hardware strategy and make sure necessary activities are undertaken by the appropriate department, whether this is IT staff or other IT security personnel.

A female IT worker in front of multiple monitors displaying code

Innovation also plays a key role in any organisation's security posture. As such, the CISO will also be tasked with keeping corporate security policies, standards and procedures fresh and fit for purpose, and making sure staff across the board comply on a day-to-day basis without fail.

CISOs are expected to work with the entire organisation to ensure everyone is pulling in the same direction. After all, ensuring security is a continuous process rather than something that can be auctioned once and then left alone. It needs to evolve and change as the threat landscape does. Success here, then, will include conversing regularly with senior management and employees to make sure all IT security policies are deployed, revised, sustained and overseen effectively.

Emulating what might happen in the real world is one way of ensuring everyone is on the same page when it comes to the threat of breaches and data theft. By essentially phishing employees to see who clicks on what - in your own, controlled environment - you can be more sure of any awareness gaps and training needs. Showing employees the damage that could have been done, but thankfully wasn't, will also ensure security remains front of mind in future.

As part of this, existing IT infrastructure must be audited and assessed for any security risks and CISOs are responsible for using the data they have at hand to predict any risks and deal with them accordingly. They need to be continuously assessing vulnerabilities and finding fixes before an incident occurs.

A CISO also needs to develop policies around security incidents and create an Emergency Response Team to act as and when a security breach is looming or has happened. As well as this, they may be in charge of developing a disaster recovery plan to allow for business continuity post-cyber-attack.

Like many businesses and IT decision-makers, CISOs are constrained by budgets, so resources need to be prioritised and allocated efficiently and financial forecasts prepared to ensure appropriate cover for security assets. A CISO needs to show that investments can be used to protect an organisation's assets and safeguard its data and reputation if the worst should happen.

What skills are needed to be a CISO?

To be a competent CISO, several key skills are required, beyond common sense. These include:

  • Communication and presentation skills
  • Policy development and administration skills
  • Knowledge about government (e.g. relevant legislation both current and incoming)
  • Collaboration expertise
  • Financial, planning and strategic management skills
  • Supervisory and incident management skills
  • And, finally, knowledge of regulation and standards compliance.

However, the most valuable skill for a CISO is the ability to articulate IT security and technical issues in a non-threatening, clear and actionable manner to non-technical leadership.

Generally speaking, it is also expected that someone applying for a CISO role is very experienced, with many roles specifying at least 10-plus years in senior risk management and security roles.

How much does a CISO get paid?

A CISO in the UK can expect to be paid on average around £90,000 a year, and many companies also offer additional benefits and bonuses. The average annual bonus for a CISO is around £11,500 in the UK.

While the average UK salary is £90,000, some companies at the highest level are offering salaries of circa £138,000.

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