A cybersecurity report from Cybersecurity Ventures predicts that cybercrimes will cost $6 trillion globally by 2021, representing the greatest economic threat in history. Here are the most significant cybersecurity incidents of 2018.

In January, the Department of Homeland Security confirmed that it had been breached, with the data of 245,167 employees, witnesses, and individuals affected.

Nine Iranian hackers infiltrated over 300 universities and institutions across 22 countries, causing an estimated loss of $3 billion in intellectual property.

Popular sportswear brand Under Armour’s widely-used MyFitnessPal app was targeted by attackers, resulting in data theft of 150 million users.

In March, Cambridge Analytica, a political data firm, breached Facebook’s security policies, scraping the personal information of 87 million users using fraudulent means.

In September, British Airways was hacked leaving the customer’s personal and financial data exposed as over 380,000 payment cards were compromised.