fidelitysisgnys[.]cyou

The domain fidelitysisgnys.cyou was observed hosting a page titled “Log In to Fidelity NetBenefits,” indicating an attempt to lure victims into providing credentials for the Fidelity NetBenefits service. VirusTotal scans show that 16 of 93 security vendors have flagged the domain as malicious, and it is listed on a single external blocklist. PhishDestroy has already blocked the site, and Gridinsoft assigns it a trust score of 0 out of 100, reflecting a high confidence of abuse. The SSL certificate is rated “E7,” suggesting weak encryption and poor certificate hygiene.

The domain resolves to IP 43.162.109.70, which is located in the United States and belongs to ASN 132203 associated with Tencent Building, Kejizhongyi Avenue. Registration data indicates the domain was created on 17 November 2025 through the registrar Gname.com Pte. Ltd. The current operational status is offline, and no live content is reachable for further forensic analysis. The known attributes classify the activity as banking phishing, specifically targeting Fidelity users.

Defenders should immediately add fidelitysisgnys.cyou to web‑filter deny lists and ensure that the associated IP address is blocked at perimeter devices. Monitoring of the ASN and any future domains registered by the same registrar for similar patterns is advised. Security teams should also update endpoint detection rules to incorporate the 16 vendor signatures observed on VirusTotal, and consider sharing the indicator with threat‑intel sharing platforms to aid broader community protection.