99 Cents Only Stores Company Cyber Security Posture

99only.com

With more than 40 years of operating experience, 99 Cents Only Stores is the leading retailer of extreme value stores in the southwestern United States. Our stores are located in California, Nevada, Arizona and Texas and offer consumable products with an emphasis on name brands primarily priced at 99.99 cents or less. Our differentiated merchandise mix, combined with outstanding value, enable us to appeal to a broad consumer demographic, increase overall customer traffic and frequency of customer visits, as well as strengthen customer loyalty. Our stores are significantly larger than traditional dollar stores, enabling us to offer a wider assortment and provide our customers with a spacious, comfortable shopping experience.

9CS Company Details

Linkedin ID:

99-cents-only-stores

Employees number:

4570 employees

Number of followers:

28027.0

NAICS:

452

Industry Type:

Retail

Homepage:

99only.com

IP Addresses:

Scan still pending

Company ID:

99 _7796813

Scan Status:

In-progress

AI score9CS Risk Score (AI oriented)

Between 800 and 900

This score is AI-generated and less favored by cyber insurers, who prefer the TPRM score.

Ailogo

99 Cents Only Stores Company Scoring based on AI Models

Model NameDateDescriptionCurrent Score DifferenceScore
AVERAGE-Industry03-12-2025

This score represents the average cybersecurity rating of companies already scanned within the same industry. It provides a benchmark to compare an individual company's security posture against its industry peers.

N/A

Between 800 and 900

99 Cents Only Stores Company Cyber Security News & History

Past Incidents
2
Attack Types
1
EntityTypeSeverityImpactSeenUrl IDDetailsView
99 Cents Only StoresRansomware8547/202599-252073125Link
Rankiteo Explanation :
Attack with significant impact with customers data leaks

Description: On Wednesday, the INC ransomware gang claimed to have attacked 99 Cents Only Stores, exfiltrating 1.2 terabytes of sensitive and personal data, including scans of passports. The company filed for bankruptcy last April and closed all of its stores in June 2024 due to financial hardship. Dollar Tree, which acquired some lease rights and assets from 99 Cents Only Stores, denied any involvement in the attack, stating that the data breach involved former 99 Cents Only employees.

99 Cents OnlyRansomware8538/202599-526080125Link
Rankiteo Explanation :
Attack with significant impact with internal employee data leaks

Description: 99 Cents Only, a discount retailer that declared bankruptcy in 2024, experienced a data breach where hackers claimed to have stolen 1.2 terabytes of sensitive and personal data, including passport scans. The data was initially thought to belong to Dollar Tree, but it was later clarified that the data belonged to 99 Cents Only. The breach has significant implications as it involves the leak of personal information of former employees.

99 Cents Only Stores Company Subsidiaries

SubsidiaryImage

With more than 40 years of operating experience, 99 Cents Only Stores is the leading retailer of extreme value stores in the southwestern United States. Our stores are located in California, Nevada, Arizona and Texas and offer consumable products with an emphasis on name brands primarily priced at 99.99 cents or less. Our differentiated merchandise mix, combined with outstanding value, enable us to appeal to a broad consumer demographic, increase overall customer traffic and frequency of customer visits, as well as strengthen customer loyalty. Our stores are significantly larger than traditional dollar stores, enabling us to offer a wider assortment and provide our customers with a spacious, comfortable shopping experience.

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9CS Cyber Security News

2025-07-30T14:50:38.000Z
Inc Ransomware Claims 1.2TB Data Breach at Dollar Tree

The group claims to have breached the company's security and stolen 1.2TB of sensitive and personal data. โ€œThey became a victim of the dataย ...

2024-05-30T07:00:00.000Z
Dollar Tree gains designation rights for 170 leases of 99 Cents Only Stores

Dollar Tree gains designation rights for 170 leases of 99 Cents Only Stores ยท US Tariffs are shifting - will you react or anticipate? Don't letย ...

2024-04-04T07:00:00.000Z
99 Cents Only to close all 371 stores and wind down its business

The City of Commerce deep-discount retailer, for years one of the few true "dollar" stores, calls it quits after more than four decades.

2024-07-05T07:00:00.000Z
Former 99 Cents Only Store in Rohnert Park to reopen as Dollar Tree

Former 99 Cents Only Store to reopen as Dollar Tree in Rohnert Park ยท He's won 8 Grammys, a presidential medal and starred with Michael B.

2024-04-05T07:00:00.000Z
Every single 99 Cents Only Store is closing because of inflation, retail theft 'and other macroeconomic headwinds'

The 99 Cents Only Stores discount chain has announced plans to wind down its business operations. All 371 stores will be closed in Arizona,ย ...

2024-04-04T07:00:00.000Z
99 Cents Only to close down all stores

99 Cents Only Stores will be closing all of its stores as the company announced plans to wind down its business operations.

2019-06-11T07:00:00.000Z
99 Cents Only Stores Strikes Deal With Sponsors, Creditors

99 Cents Only Stores LLC's recent deal with its backers and creditors will shave off a large chunk of debt and bolster the cash on its balance sheet.

2023-03-04T08:00:00.000Z
(PDF) A Comprehensive Review of Cyber Security Vulnerabilities, Threats, Attacks, and Solutions

have been made to provide a cyber security environment to protect the assets of institutions,. organizations, and individuals [2].

2024-05-30T07:00:00.000Z
A sizable number of 99 Cents Only stores will be taken over by Dollar Tree: 'We see strong profitable growth potential'

A sizable number of 99 Cents Only stores will be taken over by Dollar Tree: 'We see strong profitable growth potential'

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faq

Frequently Asked Questions

Explore insights on cybersecurity incidents, risk posture, and Rankiteo's assessments.

9CS CyberSecurity History Information

How many cyber incidents has 9CS faced?

Total Incidents: According to Rankiteo, 9CS has faced 2 incidents in the past.

What types of cybersecurity incidents have occurred at 9CS?

Incident Types: The types of cybersecurity incidents that have occurred incidents Ransomware.

Incident Details

Can you provide details on each incident?

Incident : Data Breach

Title: INC Ransom Data Breach of 99 Cents Only

Description: INC Ransom recently added Dollar Tree to its data leak site, claiming to have stolen 1.2 terabytes of sensitive and personal data from Dollar Tree. However, Dollar Tree clarified that the data actually belongs to 99 Cents Only, a discount retailer that declared bankruptcy in 2024.

Type: Data Breach

Attack Vector: Ransomware

Threat Actor: INC Ransom

Motivation: Financial (Ransom)

Incident : Ransomware Attack

Title: Ransomware Attack Claims Against Dollar Tree

Description: Dollar Tree denies involvement in a ransomware attack claimed by the INC ransomware gang, which targeted 99 Cents Only Stores.

Date Detected: 2024-06

Date Publicly Disclosed: 2024-10-02

Type: Ransomware Attack

Attack Vector: Data Exfiltration

Threat Actor: INC Ransomware Gang

Motivation: Financial

What are the most common types of attacks the company has faced?

Common Attack Types: The most common types of attacks the company has faced is Ransomware.

Impact of the Incidents

What was the impact of each incident?

Incident : Data Breach 99-526080125

Data Compromised: Passport scans

Incident : Ransomware Attack 99-252073125

Data Compromised: Scans of passports, Sensitive and personal data

What types of data are most commonly compromised in incidents?

Commonly Compromised Data Types: The types of data most commonly compromised in incidents are Passport scans, Scans of passports and Sensitive and personal data.

Which entities were affected by each incident?

Incident : Data Breach 99-526080125

Entity Type: Retailer

Industry: Retail

Size: 371 stores

Incident : Ransomware Attack 99-252073125

Entity Type: Retail

Industry: Retail

Location: California, Texas, Arizona, Nevada

Size: Nearly 400 stores at its peak

Incident : Ransomware Attack 99-252073125

Entity Type: Retail

Industry: Retail

Location: United States, Canada

Size: 9,000 stores

Data Breach Information

What type of data was compromised in each breach?

Incident : Data Breach 99-526080125

Type of Data Compromised: Passport scans

Sensitivity of Data: High

Data Exfiltration: True

Personally Identifiable Information: True

Incident : Ransomware Attack 99-252073125

Type of Data Compromised: Scans of passports, Sensitive and personal data

Sensitivity of Data: High

Data Exfiltration: 1.2 terabytes

Personally Identifiable Information: Scans of passports

Ransomware Information

Was ransomware involved in any of the incidents?

Incident : Data Breach 99-526080125

Ransom Demanded: True

Ransomware Strain: INC Ransom

Data Exfiltration: True

Incident : Ransomware Attack 99-252073125

Ransomware Strain: INC Ransomware

Data Exfiltration: 1.2 terabytes

References

Where can I find more information about each incident?

Incident : Data Breach 99-526080125

Source: The Record

Incident : Ransomware Attack 99-252073125

Source: Recorded Future News

Date Accessed: 2024-10-02

Incident : Ransomware Attack 99-252073125

Source: SentinelOne Research

Date Accessed: 2024-10-02

Where can stakeholders find additional resources on cybersecurity best practices?

Additional Resources: Stakeholders can find additional resources on cybersecurity best practices at and Source: The Record, and Source: Recorded Future NewsDate Accessed: 2024-10-02, and Source: SentinelOne ResearchDate Accessed: 2024-10-02.

Investigation Status

What is the current status of the investigation for each incident?

Incident : Ransomware Attack 99-252073125

Investigation Status: Ongoing

Additional Questions

General Information

What was the amount of the last ransom demanded?

Last Ransom Demanded: The amount of the last ransom demanded was True.

Who was the attacking group in the last incident?

Last Attacking Group: The attacking group in the last incident were an INC Ransom and INC Ransomware Gang.

Incident Details

What was the most recent incident detected?

Most Recent Incident Detected: The most recent incident detected was on 2024-06.

What was the most recent incident publicly disclosed?

Most Recent Incident Publicly Disclosed: The most recent incident publicly disclosed was on 2024-10-02.

Impact of the Incidents

What was the most significant data compromised in an incident?

Most Significant Data Compromised: The most significant data compromised in an incident were Passport scans, Scans of passports and Sensitive and personal data.

Data Breach Information

What was the most sensitive data compromised in a breach?

Most Sensitive Data Compromised: The most sensitive data compromised in a breach were Passport scans, Scans of passports and Sensitive and personal data.

Ransomware Information

What was the highest ransom demanded in a ransomware incident?

Highest Ransom Demanded: The highest ransom demanded in a ransomware incident was True.

References

What is the most recent source of information about an incident?

Most Recent Source: The most recent source of information about an incident are The Record, Recorded Future News and SentinelOne Research.

Investigation Status

What is the current status of the most recent investigation?

Current Status of Most Recent Investigation: The current status of the most recent investigation is Ongoing.

What Do We Measure?

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Digital Assets

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These are some of the factors we use to calculate the overall score:

Network Security

Identify exposed access points, detect misconfigured SSL certificates, and uncover vulnerabilities across the network infrastructure.

SBOM (Software Bill of Materials)

Gain visibility into the software components used within an organization to detect vulnerabilities, manage risk, and ensure supply chain security.

CMDB (Configuration Management Database)

Monitor and manage all IT assets and their configurations to ensure accurate, real-time visibility across the company's technology environment.

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Leverage real-time insights on active threats, malware campaigns, and emerging vulnerabilities to proactively defend against evolving cyberattacks.

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