Top 10 Identity Security Breaches of 2024 so far

In 2024, identity breaches exposed vulnerabilities across several critical sectors. No single industry vertical was safe, though healthcare, telecommunications, and financial services were the most targeted areas. Attackers targeted sensitive personal and financial information, gathering personally identifiable information (PII), including medical and employment-related data. This data is precious as it can be sold on the Darknet or used for fraud.

Attacks primarily took the form of ransomware and phishing, capitalizing on weak or reused passwords and often exacerbated by inadequate security measures like the absence of multi-factor authentication (MFA). The repercussions of these breaches are profound, resulting in significant financial losses, operational hindrances, and lasting damage to the reputations of the affected organizations.

Change Healthcare Attack

In one of the biggest healthcare incidents ever, Change Healthcare suffered a breach in which cybercriminals from ALPHV/BlackCat extracted up to 4 terabytes of sensitive health data, exploiting the absence of MFA systems. The lack of MFA made it easier for attackers to access the Change Healthcare system using stolen credentials that they may have obtained through phishing, credential stuffing, keyloggers, or similar techniques.

This incident compromised the personal and medical information of a considerable portion of U.S. residents, presenting long-term risks of identity theft and potential misuse of health information. The financial repercussions were immense, with recovery and damages exceeding $1 billion.

The operational impact of the breach extended well beyond data loss. It disrupted healthcare services across the United States, leading to significant delays in patient care and administrative operations. This breach exposed how interconnected the entire healthcare delivery system is and how a failure in one area can profoundly affect others.

Microsoft Midnight Blizzard Breach

The Midnight Blizzard breach, attributed to a Russian state-sponsored group, targeted Microsoft’s test environment by exploiting a lack of multi-factor authentication (MFA). The attackers gained access through a password spray attack on a non-production tenant account and leveraged misconfigured OAuth applications to escalate privileges, granting themselves full access to sensitive corporate email accounts, including those of senior leadership and cybersecurity teams. This breach underscored the importance of stringent MFA implementation and proper configuration management across production and non-production environments.

Snowflake Data Breach

Snowflake’s security was compromised when threat actors accessed accounts using single-factor authentication, highlighting vulnerabilities in credential management. Once inside, the attackers exfiltrated 560 million records containing sensitive data, including email addresses, physical addresses, and partial credit card numbers. The breach underscored the need to enforce MFA and limit access to privileged accounts in SaaS environments, particularly when housing sensitive data.

Okta Breach

Attackers exploited stolen credentials to gain unauthorized access to Okta’s support case management system, which stored sensitive session cookies used to impersonate user accounts and bypass MFA protections. This breach affected major Okta customers, including Cloudflare and 1Password, exposing critical internal data such as source code and customer information. The incident highlighted the dangers of weak access management and the crucial role of robust MFA to secure SaaS platforms. 

AT&T Breaches

AT&T experienced two significant breaches, impacting its vast customer base. The first breach involved unauthorized access to a Snowflake account containing sensitive customer and call data. To mitigate the damage and prevent the data from becoming public, AT&T allegedly paid a ransom. Despite these efforts, a subsequent breach resulted in the online exposure of approximately 73 million records. This second incident involved a direct dump of online customer data, revealing metadata that could pinpoint customer locations and personal associations.

These breaches collectively affected nearly all of AT&T’s 110 million customers, underscoring the substantial risks and costs associated with cybersecurity lapses in large corporations. The disclosed data included basic customer information and detailed metadata that could lead to serious privacy violations and further security breaches.

The AT&T data breaches exposed several critical vulnerabilities in data security practices, particularly in the context of large datasets. First, the reliance on basic username and password combinations for access control was a significant weakness, highlighting the need for stronger MFA mechanisms. Additionally, using third-party cloud platforms posed risks, as it required AT&T to depend on external parties’ security measures, which may not have been rigorous enough. The combination of these vulnerabilities drove this massive breach.

CDK Global Cybersecurity Incident

In a significant cybersecurity breach, CDK Global, a leading provider of automotive dealer management software, faced an incident where attackers exploited vulnerabilities inherent in their outdated legacy systems. The breach exposed sensitive customer and financial data from dealerships across the U.S., impacting thousands of businesses reliant on CDK’s software solutions.

The root cause of this incident was CDK Global’s continued reliance on legacy systems not designed with modern security threats in mind. These systems lacked robust authentication mechanisms, leaving them vulnerable to unauthorized access. The breach highlighted how legacy software, often integral to operational workflows, can become a liability if not properly updated or replaced with more secure alternatives.

Ticketmaster Breach

Ticketmaster experienced a breach involving unauthorized access to a Snowflake database, exposing 560 million customer records. This breach disclosed vast personal and financial information, putting countless users at risk of identity theft and fraud. The exposed data highlights a crucial vulnerability within digital storage practices, emphasizing the need for enhanced security measures. This incident is not isolated but part of a larger pattern involving breaches of Snowflake databases affecting several major companies.

Dell Breach

In the Dell breach, cyber attackers exploited weaknesses in a partner portal API to unlawfully access and potentially extract sensitive data from approximately 49 million customer records. This breach involved unauthorized access and the ability to scrape extensive data on Dell’s hardware orders and customer details, highlighting critical lapses in Dell’s cybersecurity measures. The fallout from such a large-scale data compromise could be extensive, including significant financial losses due to potential fraud, operational disruptions, and damage to customer trust and corporate reputation.

Tile

The systems behind Life360’s Tile trackers were compromised in a significant security incident. The Tile breach occurred when a hacker accessed customer data using login credentials that supposedly belonged to a former employee. This allowed the hacker to collect millions of customer records through an internal tool designed to respond to law enforcement requests about Tile trackers. The stolen data included names, addresses, emails, and phone numbers but did not include precise location data of the Tile devices.

Advance Auto Parts

The data breach at Advance Auto Parts, disclosed on April 14, resulted from unauthorized access to the company’s Snowflake cloud environment. This breach exposed the personal information of over 2.3 million current and former job applicants and employees, including sensitive data like Social Security numbers and driver’s licenses. The breach, which went undetected for more than a month, prompted the company to engage law enforcement and take measures to terminate unauthorized access.

Finish The Year Without Becoming a Statistic

The year is still ongoing, and plenty of cybercriminals are working to compromise identities and steal sensitive data. Hardening SaaS security is a great way to prevent becoming a statistic in the rising tide of cyber breaches. With Savvy, organizations can gain comprehensive visibility and control over their SaaS environments, from real-time monitoring of unsanctioned app usage to enforcing stringent data security measures. By implementing Savvy’s automated security solutions, businesses can safeguard sensitive data, manage identity risks, and ensure compliance, effectively minimizing the chances of falling victim to cyberattacks in the future.