An information security analyst helps keep an organization’s digital world safe.
On a day-to-day basis, they watch over computer networks, look for warning signs like malware or unusual activity, and work to fix issues before they turn into bigger problems. That might mean checking a local network for security threats or weaknesses, testing systems for leaks or helping respond after a security breach.
Organizations rely on information security analysts because so much work now happens online. Email, cloud tools, mobile devices and shared systems all make it easier to do business, but they also create more chances for cyber threats. Information security analysts help manage that risk by putting security measures in place, monitoring activity, and making sure security policies are followed.1
At its core, this role is about protecting sensitive data.
That could include customer details, financial information or internal company records. By staying alert and responding quickly, information security analysts help organizations keep their systems running, protect trust and avoid costly disruptions.
What information security analysts are responsible for
At a high level, information security analysts focus on keeping an organization’s computer networks and data secure. They help make sure systems stay available, information stays private, and everyday work is not disrupted by security issues.
A big part of the job is monitoring networks for potential threats. This includes watching for unusual activity, scanning for malware and reviewing alerts that could signal a problem. When something looks off, information security analysts investigate to figure out what is happening and how serious it might be.
They also play a key role in responding to security breaches and data breaches. If an incident occurs, analysts help contain the issue, limit damage, and support incident response efforts. This can involve shutting down compromised access, securing affected systems and helping teams understand what went wrong.1
Beyond reacting to problems, information security analysts plan and develop processes to reduce risks. The lead risk management and threat management efforts. They help identify weak points before they are exploited and recommend security measures that reduce future risk.1
Over time, this proactive work helps organizations stay better prepared for evolving cyber threats.
A closer look at day-to-day tasks
The day-to-day work of an information security analyst is hands-on and detail focused. Much of the role centers on actively watching systems and responding to what they find, rather than waiting for problems to appear.
Information security analysts regularly monitor local networks and systems for malware and intrusion attempts. This can include scanning network traffic, reviewing system behavior, and looking for signs that someone is trying to gain unauthorized access. When alerts come in, analysts review logs and notifications using continuous monitoring tools to decide whether the activity is routine or a real threat.
They also test network defense systems and security controls to find weak spots.
This might involve checking firewall rules, reviewing system configurations, or running penetration testing tools to see how well systems hold up under pressure. If gaps are found, analysts recommend or apply fixes to reduce risk.
Protecting data is another major responsibility. These professionals need to stay up to date on general data protection regulation and laws—and typically, going above and beyond the basic requirements.
Information security analysts help encrypt data transmissions, manage data encryption programs and make sure sensitive data stays protected as it moves across networks or into the cloud. They also review access management rules to confirm that employees and vendors only have access to the systems and information they truly need.
When a security incident happens, analysts support incident response efforts in real time. They help contain the issue, protect affected systems and gather information that helps the organization recover and prevent similar incidents in the future.
Tools and systems information security analysts use
Information security analysts rely on a wide range of tools and systems to do their jobs effectively. These tools help them monitor activity, detect threats, and keep systems running securely.
Monitoring (and understanding) networks
They work closely with computer networks and operating systems, making sure servers, workstations and connected devices are properly secured. A strong understanding of network protocols is important, along with configuration management tools that help track system settings and prevent unauthorized changes.
Threat detection software and programs
Threat detection and threat intelligence platforms are also key parts of the job. These tools help analysts spot potential threats early, understand where attacks may be coming from and respond more quickly when something looks suspicious.
Because cyber threats come in many forms — from software vulnerabilities to phishing attacks — information security analysts need to understand the range of security problems organizations face.
You can learn more about common cyber security problems and how they affect businesses in our blog: 10 Cyber Security Problems Nearly Every Organization Struggles With.
Cloud security
Many analysts also focus on cloud security. As more organizations rely on data management via cloud computing, protecting data outside of traditional office networks has become a critical part of information security.
Event management and monitoring networks software ties much of this work together. These systems collect alerts, logs, and activity data in one place, helping information security analysts see patterns, prioritize risks and respond efficiently.
Mobile security and personal device security threats
Working with human factors such as people doing their work and accessing systems from mobile phones or other personal devices is a big part of the job these days as well. Infosec analysts need every inch of their problem solving skills to choose policies and navigate any exceptions employees might have for remote work or using their personal devices.
Where information security analysts work
Information security analysts are needed in many industries, especially those that rely heavily on digital systems and data. Any organization that stores, shares or processes sensitive information can benefit from having security experts on staff.4
Many information security analysts work for business and financial companies where protecting customer data and financial records is critical, according to the Bureau of Labor Statistics.1
The top industries for opportunity as an information security analyst in 2024 were...
- Computer systems design and related services
- Finance and insurance
- Management of companies and enterprises
- Information
- Management, scientific, and technical consulting services
Banks, insurance providers and large corporations often depend on analysts to help prevent data breaches and maintain trust.
Others work for computer companies and computer software firms, helping design, test and maintain secure systems and applications. In these settings, information security analysts may be involved early in development to identify risks before products are released.
Some analysts are employed by consulting firms or cybersecurity professionals teams that support multiple clients. These roles often involve assessing different environments and responding to a wide range of security challenges.
Information security analysts also work for organizations that manage large amounts of confidential information, such as healthcare providers, government agencies and educational institutions. In these environments, protecting privacy and meeting security requirements is a top priority.
Education and training for information security analysts
If you want to become an information security analyst, you'll need to start with a bachelor’s degree in computer science or a related field, according to the BLS.2 This education helps build a strong foundation in information systems, computer networks and operating systems.
Beyond formal education, on-the-job training plays an important role. Most analysts continue learning as they work, gaining hands-on experience with security tools, monitoring systems and real-world incident response. Because cyber threats are always changing, continuous learning is a key part of staying effective in this role.
Industry recognized certifications can also help information security analysts build skills and stand out in the job market. One example is the Certified Ethical Hacker credential, which focuses on understanding how attackers think and how to test systems for weaknesses.3
Many analysts also pursue other cybersecurity certifications to deepen their technical knowledge and keep up with security trends. As you work in a roles like this, you'll continue to hone your technical expertise and find new skills you want to pursue.
Information security analyst job outlook
The job market for information security analysts is strong and growing fast compared with most other careers. According to the U.S. Bureau of Labor Statistics (BLS), employment for information security analysts is projected to grow about 29 percent from 2024 to 2034, which is much faster than the average for all occupations.4
This rapid growth reflects how many organizations now rely on secure systems to run daily operations. As cyber threats continue to evolve and affect more industries, demand for skilled analysts who can protect sensitive data and prevent attacks has grown as well.
How this role fits into cybersecurity careers
Information security analyst roles are often part of a broader group of cybersecurity positions, which can make job titles confusing at first. In many cases, the terms security analyst and cybersecurity analyst are used interchangeably.
However, most information security analysts typically focus more on protecting an organization’s data, systems and networks from internal and external threats, while cybersecurity analyst roles may include a wider focus on overall cyber threats, digital infrastructure and large-scale defense strategies.
Information security plays a central role in broader cybersecurity efforts. By monitoring systems, managing access, responding to incidents and reducing risk, information security analysts help create a strong foundation for an organization’s overall security posture. Their work supports other cybersecurity professionals by preventing issues before they escalate and providing critical insight when incidents occur.
For many people, this role can also be a starting point for career growth.
With experience, training and certifications, information security analysts may move into advanced cybersecurity positions such as security architect, threat intelligence analyst, penetration tester or security manager. The skills gained in this role often transfer well across the cybersecurity field, making it a flexible and valuable career path.
Strong technical skills will be essential for any role in these areas.
Information security, cyber security and more
A career as an information security analyst can be a good fit for people who enjoy problem solving, working with technology and paying close attention to detail.
It is especially well suited for those who want hands-on work that combines technical skills with real-world impact. If you like the idea of finding weaknesses, stopping threats and helping systems run safely, this role offers a clear and meaningful path.
Information security analysts are critical to modern organizations because digital systems are part of almost everything we do. From customer data to financial records to internal operations, organizations depend on secure networks and systems to function. By monitoring activity, managing risk and responding to incidents, information security analysts help protect trust, reduce disruption and support long-term stability.
If you are interested in building skills for this type of role and exploring where it could lead, learning more about cybersecurity education can be a helpful next step. Check out Why Study Cyber Security? 8 Reasons to Remember to learn more!
1Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, Information Security Analysts, at Information Security Analysts : Occupational Outlook Handbook: : U.S. Bureau of Labor Statistics https://www.bls.gov/ooh/computer-and-information-technology/information-security-analysts.htm#tab-3 (visited 1/15/2026). Employment conditions in your area may vary
2Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, Information Security Analysts, at Information Security Analysts : Occupational Outlook Handbook: : U.S. Bureau of Labor Statistics https://www.bls.gov/ooh/computer-and-information-technology/information-security-analysts.htm#tab-4 (visited 1/15/2026). Employment conditions in your area may vary
3EC-Council Certified Ethical Hacking Course: CEH Certification Training Boot Camp, Infosec Institute, https://www.infosecinstitute.com/courses/ethical-hacking-boot-camp/
4Bureau of Labor Statistics, U.S. Department of Labor, Occupational Outlook Handbook, Information Security Analysts, at Information Security Analysts : Occupational Outlook Handbook: : U.S. Bureau of Labor Statistics https://www.bls.gov/ooh/computer-and-information-technology/information-security-analysts.htm#tab-6 (visited 1/15/2026). Employment conditions in your area may vary
