People search Siveco data breach timeline because the brand sits on billions of accounts, credentials, and cloud workloads. BreachHistory indexes 1 Siveco-linked incident. This page maps every attested event through 2026 with internal links to canonical records.
Why Siveco breach history matters
Siveco operates in Technology (France). Across indexed rows, recurring themes include ransomware and extortion, zero-day exploitation and malware, unverified actor or scraping claims. Understanding the chronological pattern helps security teams, customers, and regulators separate confirmed disclosures from forum marketing.
Full timeline through 2026
2026 — ransomware leak-site claim; PAN-OS exploitation cited in OSINT (May)
Unverified claim — treat actor counts cautiously. French asset-management software vendor Siveco (siveco.com) appeared in late-May 2026 dark-web monitoring with renewed ransomware marketing—sometimes referencing prior CoinbaseCartel branding from March 2026 and parallel OSINT chatter tying intrusions to exploitation of Palo Alto Networks PAN-OS captive-portal vulnerabilities (CVE-2026-0300). No Siveco forensic bulletin, CNIL filing, or consolidated victim count was uniformly indexed in English trade press at catalog time; BreachHistory tracks the entry as an actor Exposed categories include Unspecified asset-management and corporate data per actor marketing. No attested victim count is published for this row yet. See the siveco-ransomware-claim 2026 record and canonical BreachHistory entry.
Patterns and analysis
- Ransomware and extortion — appears across multiple Siveco catalog entries; prioritize controls that address this class of failure.
- Zero-day exploitation and malware — appears across multiple Siveco catalog entries; prioritize controls that address this class of failure.
- Unverified actor or scraping claims — appears across multiple Siveco catalog entries; prioritize controls that address this class of failure.
- Record-count hygiene — BreachHistory indexes actor-cited figures separately from company-confirmed totals; read each row's technicalWriteup before treating counts as fact.
- 2026 monitoring — New disclosures roll into this timeline as they are verified or labeled unverified per catalog policy.
What to do if you may be affected
- Step 1: Enable phishing-resistant MFA on every account tied to this brand.
- Step 2: Use unique passwords and a password manager—breach rows often involve credential reuse.
- Step 3: Monitor official company breach notices and regulator filings, not dark-web downloads.
- Step 4: Review OAuth app permissions and revoke unused third-party integrations.
- Step 5: Bookmark the Siveco company page for new 2026+ disclosures.
Canonical BreachHistory hub
Explore every indexed row: breachhistory.com/siveco · Latest: siveco-ransomware-claim2026.
Sources: BreachHistory catalog (1 row for Siveco), company and regulator disclosures cited in individual breach records.