Cybercrime
Neiman Marcus Confirms Data Breach After Snowflake Account Hack
Sam Capper
September 20, 2024
Summary
This blog summarises the Neiman Marcus data breach after the Snowflake account hack and discusses the implications and next steps for those affected.

What Happened?

Neiman Marcus, the esteemed American luxury retailer, has confirmed a significant data breach following a cyberattack on its Snowflake account. The breach, disclosed through an official statement, has raised concerns regarding the security protocols of high-end retail institutions. Hackers gained unauthorised access to sensitive customer information stored on the Snowflake platform, exposing an array of personal data. Neiman Marcus has assured its clientele that they are working closely with cybersecurity experts to investigate the incident and fortify their defences against future threats. Customers affected by the breach are being notified and provided with support to mitigate potential impacts on their personal security. This incident underscores the growing threat of cyber-attacks on the retail sector and the critical importance of robust data protection measures.

Neiman Marcus Confirms Breach. Is The Customer Data Already for Sale? 

Neiman Marcus, a renowned luxury retailer, fell victim to a data breach in 2013, leading to the compromise of customer data. The breach involved cybercriminals infiltrating the company's network and stealing sensitive customer information, such as names, contact details, payment card data, and encrypted passwords. Furthermore, there were reports suggesting that the stolen data might have been put up for sale on underground forums.

Upon discovering the breach, Neiman Marcus took immediate action to contain it and mitigate the potential harm. They worked diligently to secure their network and eliminate the source of the breach. Additionally, the company employed leading cybersecurity experts to assist with the investigation and to enhance their security measures to prevent similar incidents in the future.

Furthermore, Neiman Marcus took prompt steps to notify affected customers about the breach. They informed customers through various channels, including email notifications and website announcements, urging them to monitor their financial statements for any suspicious activities. In an effort to regain customer trust, the company also offered free credit monitoring services to affected individuals.

Despite the data breach, Neiman Marcus was quick to address the issue and prioritise customer safety. They demonstrated a commitment to transparency and were proactive in containing the breach as well as assisting affected customers.

Neiman Marcus Confirms Data Breach Linked to Snowflake Exposing 64,400 Customers

Neiman Marcus, the luxury retailer, recently confirmed a data breach incident linked to Snowflake, an online data sharing platform. The breach exposed the sensitive information of approximately 64,400 customers. The type of information compromised included personal details such as names, addresses, email addresses, and phone numbers.

In response to the breach, Neiman Marcus swiftly took actions to address the situation. Firstly, they filed a data breach notification, informing relevant authorities and regulatory bodies about the incident. This allowed for further investigation and enforcement of necessary measures to prevent future breaches.

Neiman Marcus also promptly informed law enforcement agencies, working closely with them to identify the source and extent of the breach. This collaboration aimed to hold responsible parties accountable for the incident and mitigate any potential damage caused.

Furthermore, Neiman Marcus took the crucial step of notifying the affected customers about the breach. This ensured that customers were made aware of the breach and could take necessary precautions to protect themselves from potential identity theft or fraud.

Implications and Next Steps

The breach at Neiman Marcus highlights several pressing issues in the realm of cybersecurity for retail businesses. Firstly, it underscores the vulnerability of cloud-based data storage solutions, even those managed by reputable providers such as Snowflake. While cloud services offer flexibility and scalability, companies must recognise that they also require stringent security measures to safeguard sensitive information.

 

How Did the Company Respond? 


Neiman Marcus’s swift response to this incident is commendable. By proactively notifying affected customers and engaging cybersecurity experts, the company demonstrates a commitment to transparency and customer care. However, this event should serve as a critical lesson for the retail sector as a whole. Implementing multi-layered security protocols, conducting regular security audits, and fostering a culture of vigilance are essential steps in mitigating the risk of future breaches.


Furthermore, this incident is expected to influence consumer behaviour, with an increasing demand for assurance regarding the security of their personal information. Retailers must balance the need for convenient, technology-driven solutions with the imperative of maintaining robust security standards. As cyber threats continue to evolve, the retail industry must stay ahead by investing in advanced cybersecurity technologies and training their staff to recognise and respond to potential threats swiftly.
In conclusion, the Neiman Marcus data breach serves as a stark reminder of the ongoing cybersecurity challenges facing the retail industry. It is a call to action for businesses to reassess their data protection strategies and invest in comprehensive security measures to safeguard customer trust and loyalty.

How Did the Snowflake Breach Occur?

Introduction: The Snowflake breach has received significant attention due to its scale and the potential impact on the security and privacy of sensitive data. In this article, we will delve into the details of how the Snowflake breach occurred, uncovering the vulnerabilities and lapses that allowed unauthorised access to its systems. Understanding the chain of events leading to the breach is crucial in mitigating future risks and reinforcing security measures.

1. Initial Exploitation of Network:

The breach at Snowflake began with the initial exploitation of their network. Cybercriminals may have employed various techniques, such as phishing emails, social engineering, or exploiting unpatched vulnerabilities, to gain a foothold within the company's infrastructure. By exploiting these entry points, the attackers could bypass security defenses and establish a presence within the network undetected.

2. Lateral Movement and Privilege Escalation:

Once inside the network, the attackers carried out lateral movement, moving laterally through Snowflake's systems and expanding their access to sensitive data and resources. This involved leveraging compromised credentials, exploiting weaknesses in network segmentation, or utilising other techniques to gain broader privileges. By moving stealthily within the network, the attackers were able to explore different systems and escalate their privileges, increasing their capabilities to exfiltrate data or cause further damage.

3. Data Exfiltration:

The breach at Snowflake inevitably involved the exfiltration of valuable data. Depending on the attackers' motives, this sensitive information could range from customer data, intellectual property, or other critical assets. To accomplish the exfiltration, the attackers likely employed various techniques, such as data exfiltration tools, command and control (C2) servers, or encrypted communication channels, to transmit the stolen data without detection.

4. Identification and Containment:

After being alerted to the breach, Snowflake's security team initiated a comprehensive investigation to identify the scope and nature of the attack. This involved analysing system logs, conducting incident response procedures, and potentially seeking external assistance from cybersecurity experts. The objective was to quickly understand the extent of the breach, contain it, and prevent further unauthorized access to Snowflake's systems and data.

 Neiman Marcus Confirms Payment Cards Compromised in Data Breach

Neiman Marcus has confirmed a major payment card compromise resulting from a data breach. The incident has affected a significant number of customers who made purchases using payment cards at Neiman Marcus stores. The compromised cards include both credit and debit cards, exposing customers to potential financial risks.

In addition to card numbers, the stolen information also includes customer names, expiration dates, and verification codes. This personal information could potentially be used by cybercriminals for fraudulent activities, such as identity theft.

Neiman Marcus has taken immediate steps to notify and support affected customers. They have reached out to individuals whose payment cards were compromised and are offering them free credit monitoring services. Moreover, the company is working closely with law enforcement agencies and cybersecurity experts to mitigate the impact of the breach and ensure that customer data is protected moving forward.

The CEO of Neiman Marcus has acknowledged the seriousness of the incident and has made a statement regarding system security improvements. The company is investing in enhancing its security measures and is implementing advanced technologies to prevent such breaches from happening in the future. The CEO reassured customers that their safety and privacy are of utmost importance and that Neiman Marcus is committed to maintaining the trust they have placed in the company.

Protecting Yourself After a Data Breach

In today’s digitally-driven world, it seems like data breaches are becoming more and more common. Whether it’s a large corporation or a smaller organization, no one is safe from the threat of cyber attacks. When personal information is compromised, it can lead to identity theft, financial losses, or even emotional distress.

In order to minimise the potential damage caused by a data breach, it is essential to be proactive and take immediate steps to protect yourself. This article will provide you with valuable information and practical tips on how to safeguard your personal and financial information after experiencing a data breach. By following these measures, you can regain control over your personal data and reduce the risk of further harm.

Conclusion

The Neiman Marcus data breach is a poignant reminder of the critical need for robust cybersecurity measures in today’s retail environment. As digital transformation accelerates, so does the sophistication of cyber threats, making it imperative for companies to remain vigilant and proactive. Retailers must invest in rigorous security protocols, adopt cutting-edge cybersecurity technologies, and foster a culture of continuous improvement and awareness. The swift and transparent response by Neiman Marcus, while commendable, should be the standard for dealing with such incidents. By prioritising data protection and customer trust, retailers can not only mitigate the risks of data breaches but also strengthen their market position and reputation in an increasingly security-conscious world.

Here at DarkInvader, we use OSINT to discover threats in the hardest reaches of the public web. Open Source Intelligence Gathering is one of the keys to our multi-layered approach, we idenitfy the data used before its used as a threat towards your business. Give your business peace of mind. Get in touch with us today.

Sam Capper

Sam Capper is an OSINT researcher at DarkInvader, specialising in identifying and analysing public threats to help clients protect their assets through open-source intelligence. With expertise in monitoring digital vulnerabilities and uncovering risks across the surface and deep web, Sam transforms data into actionable insights. Their work ensures businesses stay ahead of emerging threats and maintain a strong security posture in an increasingly complex digital landscape.

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