Did the COVID-19 pandemic really affect cybersecurity? Short answer – Yes. Cybercrime is up 600% due to COVID-19.

In 2024, the number of data compromises in the United States stood at 3,158 cases. Meanwhile, over 1.35 billion individuals were affected in the same year by data compromises, including data breaches, leakage, and exposure. While these are three different events, they have one thing in common. As a result of all three incidents, the sensitive data is accessed by an unauthorized threat actor. Industries most vulnerable to data breaches Some industry sectors usually see more significant cases of private data violations than others. This is determined by the type and volume of the personal information organizations of these sectors store. In 2024 the financial services, healthcare, and professional services were the three industry sectors that recorded most data breaches. Overall, the number of healthcare data breaches in some industry sectors in the United States has gradually increased within the past few years. However, some sectors saw decrease. Largest data exposures worldwide In 2020, an adult streaming website, CAM4, experienced a leakage of nearly 11 billion records. This, by far, is the most extensive reported data leakage. This case, though, is unique because cyber security researchers found the vulnerability before the cyber criminals. The second-largest data breach is the Yahoo data breach, dating back to 2013. The company first reported about one billion exposed records, then later, in 2017, came up with an updated number of leaked records, which was three billion. In March 2018, the third biggest data breach happened, involving India’s national identification database Aadhaar. As a result of this incident, over 1.1 billion records were exposed.

The average cyber attack takes 280 days to identify and contain and it costs an average of about $3.86 million to deal with properly.

During the third quarter of 2024, data breaches exposed more than *** million records worldwide. Since the first quarter of 2020, the highest number of data records were exposed in the first quarter of ***, more than *** million data sets. Data breaches remain among the biggest concerns of company leaders worldwide. The most common causes of sensitive information loss were operating system vulnerabilities on endpoint devices. Which industries see the most data breaches? Meanwhile, certain conditions make some industry sectors more prone to data breaches than others. According to the latest observations, the public administration experienced the highest number of data breaches between 2021 and 2022. The industry saw *** reported data breach incidents with confirmed data loss. The second were financial institutions, with *** data breach cases, followed by healthcare providers. Data breach cost Data breach incidents have various consequences, the most common impact being financial losses and business disruptions. As of 2023, the average data breach cost across businesses worldwide was **** million U.S. dollars. Meanwhile, a leaked data record cost about *** U.S. dollars. The United States saw the highest average breach cost globally, at **** million U.S. dollars.

These cybersecurity statistics will help you understand the state of online security and give you a better idea of what it takes to protect yourself.

The largest reported data leakage as of January 2025 was the Cam4 data breach in March 2020, which exposed more than 10 billion data records. The second-largest data breach in history so far, the Yahoo data breach, occurred in 2013. The company initially reported about one billion exposed data records, but after an investigation, the company updated the number, revealing that three billion accounts were affected. The National Public Data Breach was announced in August 2024. The incident became public when personally identifiable information of individuals became available for sale on the dark web. Overall, the security professionals estimate the leakage of nearly three billion personal records. The next significant data leakage was the March 2018 security breach of India's national ID database, Aadhaar, with over 1.1 billion records exposed. This included biometric information such as identification numbers and fingerprint scans, which could be used to open bank accounts and receive financial aid, among other government services.

Cybercrime - the dark side of digitalization As the world continues its journey into the digital age, corporations and governments across the globe have been increasing their reliance on technology to collect, analyze and store personal data. This, in turn, has led to a rise in the number of cyber crimes, ranging from minor breaches to global-scale attacks impacting billions of users – such as in the case of Yahoo. Within the U.S. alone, 1802 cases of data compromise were reported in 2022. This was a marked increase from the 447 cases reported a decade prior. The high price of data protection As of 2022, the average cost of a single data breach across all industries worldwide stood at around 4.35 million U.S. dollars. This was found to be most costly in the healthcare sector, with each leak reported to have cost the affected party a hefty 10.1 million U.S. dollars. The financial segment followed closely behind. Here, each breach resulted in a loss of approximately 6 million U.S. dollars - 1.5 million more than the global average.

As of 2024, the average cost of a data breach in the United States amounted to **** million U.S. dollars, down from **** million U.S. dollars in the previous year. The global average cost per data breach was **** million U.S. dollars in 2024. Cost of a data breach in different countries worldwide Data breaches impose a big threat for organizations globally. The monetary damage caused by data breaches has increased in many markets in the past decade. In 2023, Canada followed the U.S. by data breach costs, with an average of **** million U.S. dollars. Since 2019, the average monetary damage caused by loss of sensitive information in Canada has increased notably. In the United Kingdom, the average cost of a data breach in 2024 amounted to around **** million U.S. dollars, while in Germany it stood at **** million U.S. dollars. The cost of data breach by industry and segment Data breach costs vary depending on the industry and segment. For the fourth consecutive year, the global healthcare sector registered the highest costs of data breach, which in 2024 amounted to about **** million U.S. dollars. Financial institutions ranked second, with an average cost of *** million U.S. dollars for a data breach. Detection and escalation was the costliest segment in data breaches worldwide, with **** U.S. dollars on average. The cost for lost business ranked second, while response following a breach came across as the third-costliest segment.

As of December 2024, the most significant data breach incident in the United States was the Yahoo data breach that dates back to 2013-2016. Impacting over three billion online users, this incident still remains one of the most significant data breaches worldwide. The second-biggest case was the January 2021 data breach at Microsoft, involving about 30 thousand companies in the United States and around 60 thousand companies around the world.

Over 95% of cybersecurity breaches occur as a result of human error.

An extensive dataset offering key insights into cyber security statistics and trends for 2025, including data breaches, cybercrime costs, threat vectors, and industry-specific impacts.

Some industries are affected by cyber attacks more than others. These next cybersecurity statistics detail specifically who is affected by cyber-attacks and why they are.

In 2024, manufacturing saw the highest share of cyberattacks among the leading industries worldwide. During the examined year, manufacturing companies encountered more than a quarter of the total cyberattacks. Organizations in the finance and insurance followed, with around 23 percent. Professional, business, and consumer services ranked third, with 18 percent of reported cyberattacks. Manufacturing industry and cyberattacks The industry of manufacturing has been in the center of cyberattacks in a long time. The share of cyberattacks targeting organizations in this sector in 2018 was at 10 percent, while in 2024, it amounted to 26 percent. The situation is even more compliacted when we look at the cyber vulnerabilities found in this sector. In 2024, critical vulnerabilities in manufacturing companies lasted 205 days on average. IT perspective and prevention With recent technology developments, cybersecurity is crucial to an organization’s success. Realizing this, companies have been gradually increasing cybersecurity investments. Thus, in 2024, the cybersecurity budget worldwide was forecast to increase to nearly 283 billion U.S. dollars. Roughly nine in ten board directors of companies worldwide in professional services and media and entertainment industries say they expect an increase in the cybersecurity budget.

📌 Context of the Dataset

The Healthcare Ransomware Dataset was created to simulate real-world cyberattacks in the healthcare industry. Hospitals, clinics, and research labs have become prime targets for ransomware due to their reliance on real-time patient data and legacy IT infrastructure. This dataset provides insight into attack patterns, recovery times, and cybersecurity practices across different healthcare organizations.

Why is this important?

Ransomware attacks on healthcare organizations can shut down entire hospitals, delay treatments, and put lives at risk. Understanding how different healthcare organizations respond to attacks can help develop better security strategies. The dataset allows cybersecurity analysts, data scientists, and researchers to study patterns in ransomware incidents and explore predictive modeling for risk mitigation.

📌 Sources and Research Inspiration This simulated dataset was inspired by real-world cybersecurity reports and built using insights from official sources, including:

1️⃣ IBM Cost of a Data Breach Report (2024)

The healthcare sector had the highest average cost of data breaches ($10.93 million per incident). On average, organizations recovered only 64.8% of their data after paying ransom. Healthcare breaches took 277 days on average to detect and contain.

2️⃣ Sophos State of Ransomware in Healthcare (2024)

67% of healthcare organizations were hit by ransomware in 2024, an increase from 60% in 2023. 66% of backup compromise attempts succeeded, making data recovery significantly more difficult. The most common attack vectors included exploited vulnerabilities (34%) and compromised credentials (34%).

3️⃣ Health & Human Services (HHS) Cybersecurity Reports

Ransomware incidents in healthcare have doubled since 2016. Organizations that fail to monitor threats frequently experience higher infection rates.

4️⃣ Cybersecurity & Infrastructure Security Agency (CISA) Alerts

Identified phishing, unpatched software, and exposed RDP ports as top ransomware entry points. Only 13% of healthcare organizations monitor cyber threats more than once per day, increasing the risk of undetected attacks.

5️⃣ Emsisoft 2020 Report on Ransomware in Healthcare

The number of ransomware attacks in healthcare increased by 278% between 2018 and 2023. 560 healthcare facilities were affected in a single year, disrupting patient care and emergency services.

📌 Why is This a Simulated Dataset?

This dataset does not contain real patient data or actual ransomware cases. Instead, it was built using probabilistic modeling and structured randomness based on industry benchmarks and cybersecurity reports.

How It Was Created:

1️⃣ Defining the Dataset Structure

The dataset was designed to simulate realistic attack patterns in healthcare, using actual ransomware case studies as inspiration.

Columns were selected based on what real-world cybersecurity teams track, such as: Attack methods (phishing, RDP exploits, credential theft). Infection rates, recovery time, and backup compromise rates. Organization type (hospitals, clinics, research labs) and monitoring frequency.

2️⃣ Generating Realistic Data Using ChatGPT & Python

ChatGPT assisted in defining relationships between attack factors, ensuring that key cybersecurity concepts were accurately reflected. Python’s NumPy and Pandas libraries were used to introduce randomized attack simulations based on real-world statistics. Data was validated against industry research to ensure it aligns with actual ransomware attack trends.

3️⃣ Ensuring Logical Relationships Between Data Points

Hospitals take longer to recover due to larger infrastructure and compliance requirements. Organizations that track more cyber threats recover faster because they detect attacks earlier. Backup security significantly impacts recovery time, reflecting the real-world risk of backup encryption attacks.

Revenue in the cybersecurity industry worldwide reached $146.32 billion in 2022.

The Cyber Security Breaches Survey, 2018 was run to understand organisations' approaches and attitudes to cyber security, and to understand their experience of cyber security breaches. Its aim was to support the Government by providing evidence that can inform policies which help to make Britain a safer place to do business online.

The data has been collected annually since 2016 to understand the views of organisations on cyber security. Data are collected on topics including online use; attitudes of organisations to cyber security and awareness of Government initiatives; approaches to cyber security (including investment and processes); incidences and impact of a cyber security breach or attack; and how breaches are dealt with by the organisation. This information helps to inform Government policy towards organisations, including what measures and initiatives should be taken to ensure that key messages get across to businesses and charities so that they are cyber secure.

The underlying data is useful for researchers to better understand the response across a range of organisations (rather than averages) and for wider comparability over time. The survey originally only covered businesses but was expanded to include charities from the 2018 survey onwards.

Cyberattacks are potentially ruinous events for business owners. As of 2024, the average cost the most disruptive cyber security breach in the previous 12 months in the United Kingdom was 1,205 British pounds across all businesses, however, this figure becomes greater as the size of a business increases. The cost of a cyber attack is not only financial, with companies having to spend time on recovering from the attacks. Methods of attackWould-be cyber attackers have a large range of tools at their disposal, with which to get around a business’s digital defenses. Fraudulent emails or being directed to fraudulent websites was by far the most common method used during 2019, with 80 percent of security breaches coming in that form. Preventing future attacks Investing in new security technology is a key focus for European and American businesses. Most forms, of all sizes are committed to increasing their spending on cyber security.

In this document, comprehensive datasets are presented to advance research on information security breaches. The datasets include data on disclosed information security breaches affecting S&P500 companies between 2020 and 2023, collected through manual search of the Internet. Overall, the datasets include 504 companies, with detailed information security breach and financial data available for 97 firms that experienced a disclosed information security breach. This document will describe the datasets in detail, explain the data collection procedure and shows the initial versions of the datasets. Contact at Tilburg University Francesco Lelli

Pay attention to the following cybersecurity statistics to learn how to protect yourself from attacks.

Abstract copyright UK Data Service and data collection copyright owner.

The Cyber Security Breaches Survey, 2021 (CSBS) was run to understand organisations' approaches and attitudes to cyber security, and to understand their experience of cyber security breaches, especially in light of the COVID-19 pandemic. The aim of the survey was to support the Government by providing evidence that can inform policies which help to make Britain a safer place to do business online. Details of changes for the 2021 survey can be found in the Technical Annex documentation.

These surveys have been conducted annually since 2016 to understand the views of UK organisations on cyber security. Data are collected on topics including online use; attitudes of organisations to cyber security and awareness of Government initiatives; approaches to cyber security (including investment and processes); incidences and impact of a cyber security breach or attack; and how breaches are dealt with by the organisation. This information helps to inform Government policy towards organisations, including how best to target key messages to businesses and charities so that they are cyber secure (and so that the UK is the safest place in the world to do business online). The study is funded by the DCMS as part of the National Cyber Security Programme.

The underlying data are useful for researchers to better understand the response across a range of organisations and for wider comparability over time. The survey originally only covered businesses but was expanded to include charities from the 2018 survey onwards. From 2020, the survey includes a sample of education institutions (primary and secondary schools, further and higher education). Please note that the UK Data Service only holds data from 2018 onwards.

Further information and additional publications can be found on the GOV.UK Cyber Security Breaches Survey, 2021 webpage.