Last Updated on August 25, 2026 by Mat Diekhake

Security Overview

Synology maintains one of the strongest technical‑security postures in the NAS industry. Its DSM operating system receives continuous security patches, its cloud services enforce modern encryption, and its products undergo regular vulnerability disclosure cycles. While Synology devices have been targeted by ransomware campaigns in the past, these incidents were tied to user misconfiguration or outdated DSM, not systemic failures in synology.com or its cloud endpoints.

SSL/TLS & Encryption

  • HTTPS: synology.com and Synology cloud services enforce HTTPS across login, account, and device‑management endpoints.
  • Certificate Validity: No public reports of invalid or expired certificates on synology.com.
  • Issuer: Typically issued by major commercial CAs (not explicitly listed in retrieved sources).
  • Mixed‑Content Issues: No mixed‑content or downgrade warnings reported.
  • Weak Cipher Suites: No warnings about deprecated TLS versions or weak cipher suites in external security scans.

Hosting & Infrastructure

  • Hosting Provider: Synology operates its own global cloud infrastructure for QuickConnect, C2 Backup, and DSM services.
  • Server Location: Synology is Taiwan‑based; cloud infrastructure is globally distributed (inference from vendor profile).
  • CDN Usage: Not explicitly documented in retrieved sources.
  • Reverse Proxy: No explicit Cloudflare/Akamai/Fastly references.
  • Uptime Reputation: Synology’s cloud services have a strong uptime record; outages are rare and typically maintenance‑related.
  • Infrastructure Risks: No infrastructure‑level warnings surfaced; risk is concentrated in device configuration and DSM patch level, not synology.com.

Malware & Phishing Scan

  • Malware Detection: synology.com is not flagged for malware hosting.
  • Phishing Flags: No phishing warnings associated with the official domain.
  • Blacklist Checks: Not present on major threat blacklists.
  • Redirect Behavior: No suspicious redirect chains reported.
  • Suspicious Scripts: No malicious script‑injection reports.
  • Third‑Party Injections: None reported.

Privacy & Data Handling

  • Data Collected: Account credentials, device identifiers, and cloud‑service metadata (inference based on Synology’s ecosystem).
  • Tracking Technologies: Standard analytics; no aggressive tracking flagged.
  • Cookie Behavior: No insecure‑cookie warnings reported.
  • Analytics Providers: Not specified in retrieved sources.
  • Privacy Risks: Main privacy risk is device compromise via outdated DSM, not synology.com itself.
  • Excessive Permissions: Not applicable to the website.

App Permissions (If Applicable)

  • Mobile App Permissions: Synology mobile apps typically request access to local storage, photos/videos, and network to sync with NAS devices—aligned with their purpose (inference from NAS companion‑app behavior).
  • Access to contacts, files, location, camera: No evidence of unrelated or excessive permissions.
  • Match to app purpose: Permissions appear consistent with backup, file access, and surveillance‑station functionality.

Breach History

  • Ransomware Campaigns (SynoLocker, etc.): Synology NAS devices have been targeted historically when exposed directly to the internet or running outdated DSM.
  • Security Incidents: Synology has issued multiple security advisories and patches for DSM vulnerabilities over the years.
  • Public Disclosures: Synology publicly discloses vulnerabilities and provides CVE‑linked patches.
  • Leaked Databases: No synology.com‑specific database leaks reported.
  • Credential‑Stuffing Exposure: As a major consumer cloud‑account ecosystem, Synology accounts are natural targets; risk depends on user password hygiene.

Security Certifications

Sources do not list domain‑specific certifications such as:

  • SOC 2
  • ISO 27001
  • GDPR
  • HIPAA
  • PCI DSS

(Absence of mention ≠ absence; simply not reported.)

Final Safety Verdict

Synology is technically safe to use. The synology.com domain shows no malware, no phishing, no blacklist flags, and Synology maintains one of the most mature patch‑management and vulnerability‑disclosure programs in the NAS industry.

The only meaningful risk comes from user‑side misconfiguration or outdated DSM firmware on NAS devices—not from synology.com itself.