Jamf Customer Salesforce Data Accessed via Klue Supply Chain Breach
Jamf, a technology company, reported on June 18, 2026, that its Salesforce instance data was accessed by an unauthorized party through a cybersecurity incident affecting Klue, a third-party vendor. The incident, which occurred within Klue's environment, involved the compromise of Klue's integration with Salesforce, leading to the exfiltration of business data.
Jamf
Signal context
First seen: Jun 18, 2026
Last updated: Jun 29, 2026
Status: Public signal
Key points
- Jamf's Salesforce data accessed through Klue's integration.
- Incident occurred within Klue's environment.
- Disclosure by Jamf on June 18, 2026.
Signal analysis
BetaThis analysis groups the signal by industry, likely incident action and impacted security area. It helps compare this signal with other published signals without treating the labels as final determinations.
Sector: Professional, Scientific, and Technical Services
Likely country: Location not provided
The feed marks multiple actor roles. Treat this as a review signal rather than a final attribution.
- Source type: outside the affected organization
- Source type: supplier or third-party involvement
Impact area: Confidentiality
Likely asset: User or customer data
- 4 signals in the same sector
- 97 signals with the same likely impact area
- 1 signal linked to this organization/domain
External sources
More Cybersecurity Firms Disclose Impact From Klue Hackhttps://www.securityweek.com/more-cybersecurity-firms-disclose-impact-from-klue-hack/Public source from securityweek.com.
Security Check-in Quick Hits: Tata Electronics Breach, Klue Supply Chain Attack, FortiBleed Campaign, libssh2 Flaw, and Cisco CUCM Exploitationhttps://www.rodstrent.com/post/security-check-in-quick-hits-tata-electronics-breach-klue-supply-chain-attack-fortibleed-campaign-libssh2-flaw-and-cisco-cucm-exploitationPublic source from rodstrent.com.
LastPass confirms data breach after hacker compromises supply chain — here's what we knowhttps://www.techradar.com/pro/security/lastpass-confirms-data-breach-after-hacker-compromises-supply-chain-heres-what-we-knowPublic source from techradar.com.
Top 5 Cybersecurity News Stories June 26, 2026 - DIESEChttps://diesec.com/top-5-cybersecurity-news-stories-june-26-2026/Public source from diesec.com.
Klue OAuth breach victim list grows as Icarus hackers claim attack - Bleeping Computerhttps://www.bleepingcomputer.com/news/security/klue-oauth-breach-victim-list-grows-as-icarus-hackers-claim-attack/Public source from bleepingcomputer.com.
Klue Third-Party Cybersecurity Incident - Jamfhttps://www.jamf.com/blog/klue-incident/Public source from jamf.com.
Salesforce Disables Klue Integration After OAuth Token Theft Hits Customer Datahttps://hackread.com/salesforce-disables-klue-integration-oauth-token-data/Public source from hackread.com.
Related signals
Grouped by why the signal is relevant.
Paywall Bypass Vulnerability
Tweakers.net has identified a vulnerability that allows for the bypass of its paywall. This issue is listed as a 'Known issue' within their bug bounty program, indicating that the company is aware of the flaw and is seeking ethical hackers to report findings related to it. A successful bypass could allow unauthorized access to premium content.
Texas Parks and Wildlife Department data breach exposes information of over 3 million license holders
The Texas Parks and Wildlife Department (TPWD) confirmed on June 18, 2026, a cybersecurity incident affecting a third-party vendor managing hunting and fishing licenses. The breach exposed driver's license numbers, passport numbers, email addresses, phone numbers, and home addresses for over 3 million license holders.
Tata Electronics Confirms Cybersecurity Incident and Data Leak
Tata Electronics, a major supplier in electronics manufacturing and semiconductors for clients including Apple and Tesla, confirmed a cybersecurity incident. The incident involved the leak of substantial internal data, with reports citing over 630GB and more than 200,000 files. Hackers, reportedly linked to 'World Leaks', allegedly exposed component designs, specifications, and confidential documents. The confirmation and reporting of this incident occurred on June 28, 2026, raising supply chain concerns for its high-profile clients.
STNet, Inc. Affected by KDDI Corporation Data Breach
STNet, Inc., a Japanese internet service provider, was impacted by a data breach originating from an email system provided by KDDI Corporation. Threat actors gained unauthorized access to this shared system by exploiting a vulnerability in third-party software. This led to the potential exposure of up to 14.2 million email addresses and passwords across all affected ISPs. STNet customers' email addresses and passwords may have been compromised.
KDDI Web Communications Customer Data Affected by KDDI Email System Breach
KDDI Web Communications, a subsidiary of KDDI, was impacted by the data breach in KDDI Corporation's email system, disclosed on June 28, 2026. The incident, caused by a third-party software vulnerability, led to the potential exposure of up to 14.2 million email addresses and passwords belonging to customers across six Japanese ISPs, including KDDI Web Communications.
KDDI Corporation Data Breach Exposes up to 14.2 Million Email Logins
Japanese telecommunications operator KDDI Corporation disclosed a data breach where threat actors gained unauthorized access to one of its email systems. This system was also used by five other internet service providers (ISPs) in Japan. The company discovered the compromise on June 17, 2026, and responded by blocking the attacker and implementing defensive measures. The investigation determined that hackers exploited a vulnerability in unnamed third-party software. Up to 14.2 million email addresses and passwords, including those of current, former, and inactive customers, may have been exposed. Some passwords were stored in hashed and/or encrypted form, but the company did not specify the encryption type or the percentage of plaintext passwords. KDDI has reported the incident to Japanese privacy and telecommunications regulators. The breach impacts KDDI Corporation and its partner ISPs.