Most companies use different sellers to run different parts of their business, such as customer management, financial, pay -based and social media. To do this, they share access to the customer’s data with these platforms. The problem is that all sellers don’t take cybercopery seriously and hackers know well about that.
More and more, the attackers are following these weak links in the digital supply chain. This type of violation often occurs silently, releasing a large amount of customer information without touching the original systems of a company. It is becoming seriously anxiety for both businesses and their customers.
In the latest cases, Hartz, car rental giants involves, which recently confirmed that customer data was published because of the cybertack of any of its software vendors.
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Hartz rental location (Hartz)
What happened at Hartz?
Hartz, Global Car Rent Company that operates dollars and threifts, it contains Reveal a data breach Thousands of its customers are affecting. The incident is one of its third -party vendors, starting from CyberTack to Cleo, the software supplier, from October to December 2021. The violation did not directly compromise on the internal system of the Hartz but involves the data shared with the seller as part of its operational workflow.
The compromised data varies according to the region but includes sensitive personal information such as names, birth date, contact details, driver’s license number and social security number and other government-based IDs in some cases. Some financial information, including the payment card details and the workers’ compensation, were also one of the stolen records.
In the United States, California, Texas and Maine were published in regulatory agencies. Specifically, 36,665 people were affected in Maine and Texas. The total global impact, however, is considered to be very high. Customers from Australia, Canada, EU, New Zealand and UK were also notified by notifications on Hartz regional websites.
What is artificial intelligence (AI)?
This violation is considered to be the work of a well-known Russia-connected hacking group in the Klopp Ranswireware gang. Cleop Clear Enterprise File transfer software, using a zero-day weakness in the technology used to infection of sensitive business data protected by many large companies. In 2021, the gang started a mass-hacking promotion by target users, eventually stealing data from more than 60 companies, including Hartz.
Interestingly, when Hartz was named after Klopp’s Dark Web Lick site in 2021, the company initially said that its system or data was not compromised.
When contacted by Cybergui, a spokesperson of Hartz said, “Wertz we take the privacy and protection of personal information seriously. This seller involves Cleo, a file transfer platform used by Hartz has been used for limited purposes. It was damaged by our forensic investigation, it was damaged by the damage to the Hartaz’s own network. It was affected by the Hartz’s own network that we could understand the Zero-day weaknesses in October 2024. “

Hartz rental location (Hartz)
200 million social media records have been leaked in large x data violations
What does this mean for customers?
The internal systems of the Hartz were not violated, but there is serious risk of exposure to personal information including driver’s license number, communication details and government-jerie ID. The victims can be weak Identity theftOpening of fraudulent accounts and targeting Phishing attemptThe If social security numbers are involved, the potential for damage increases significantly. From October 2024 to December, one should take high precautions to anyone renting from Hartz, Dollar or 3ift.

A hacker in the workplace (Cart “Cybergui” Notson)
Malware reveals 3.9 billion passwords in huge cyberquacy threats
7 Ways to Protect Yourself After Heartz Data Violation
If you feel that you are affected or just want to be careful, you can take some steps right now to be safe from the Heartz Data Violation.
1 Keep an eye on the phishing scandal and use strong antivirus software: With access to your email, phone number or identification documents, attackers can create phishing emails by pretending to be healthcare suppliers or banks. These emails may include contaminated links designed to install malware or steal login data. To protect yourself, use a strong antivirus program. Pick me the best 2025 antivirus protection winners for your Windows, Mac, Android and iOS devicesThe
2 Scrub your data from the Internet using personal data removal service: The more open your personal information is online, the easier it is for scammers to use against you. After the Heartz violation, consider removing your information from public database and folk-search sites. View my top picks here for data removal servicesThe
3 Use protection and identity theft protection against identity theft: Hackers now have access to high-valued information from the Social Protection Number, Driver’s License and Hartz Violation with Bank Information. It makes you a major target for theft of identity. To prevent more unauthorized use by criminals they can help you to froze your bank and credit card accounts. Signing up to protect identity theft gives you a 24/7 observation, alert for abnormal activities and supports when your identity is stolen. See how to protect yourself from identity theft and see my tips and the best pickThe
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4 Set up the fraud alert: The Credit of the fraud alerts informs the credits that they need additional verification before giving credit to your name. You can request for fraud alert through any one of the three main credit bereus; They will inform others. It adds another layer of protection without complete access to the credit.
5. Observe your credit reports: Check through your credit reports regularly Annual Creditorportport.comWhere you can access free reports from each bureau at once every year or if you are concerned about fraud. Unauthorized accounts may prevent greater financial loss identified quickly.
6 .. Change the password and use a password manager: Update the password to any account that is bound to compromised data. Use unique passwords that are hard to guess and let a password manager make heavy lifting by creating protected for you. Re -used passwords are a simple target after violating. Consider password managers for facilities and protection. Get more details about me The best expertly-parable password managers of 2025 are hereThe
7 .. Be careful about social engineering attacks: Hackers can use the stolen details like the name or date of birth from the violation of the phone scam or use fake customer service calls designed to drive you to reveal more sensitive information. Never share personal details through unreasonable call or email. Social Engineering attacks depend on confidence and vigilance is the key.
Hackers using malware to steal data from USB flash drive
Curtain
Cyber risk does not always come from a company’s own network. It is often produced in the unseen corner of the digital supply chain. They must even be equally rigid on how they can test and monitor third -party vendors as the companies double towards internal cybersic security. For customers, it is no longer adequate to rely on large brands on the label. The data trail is more broad, the attack surface is larger and the consequences are even more opaque.
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