Comparison Overview
BT Ireland

BT Ireland
Grand Canal Plaza, Dublin, undefined, 4, IE
Last Update: 02/04/2026
BT Ireland is one of Ireland’s leading communications services providers with over 650 employees. Through our unique combination of global and domestic capabilities, we deliver integrated and secure communications and IT services to indigenous and multinational companie...

Optus
1 Lyonpark Road, Macquarie Park, 2113, AU
Last Update: 24/09/2026
Optus is an Australian telecommunications company, delivering more than 11 million services to our customers every day across mobile, broadband and digital solutions. Message our dedicated Social Media Care team at help.optus.com.au/contactus for 24/7 assistance with y...
Compliance Ranges Comparison

BT Ireland







Optus






Benchmark & Cyber Underwriting Signals
Incidents vs Telecommunications Industry Avg (This Year)
No incidents recorded for BT Ireland in 2026.
Incidents vs Telecommunications Industry Avg (This Year)
Optus has 296.04% more incidents than the average of all companies with at least one recorded incident.
Incident History - BT Ireland (X = Date, Y = Severity)
BT Ireland cyber incidents detection timeline including parent company and subsidiaries.
Incident History - Optus (X = Date, Y = Severity)
Optus cyber incidents detection timeline including parent company and subsidiaries.
Notable Incidents

BT Ireland

Optus
FAQ
Latest Global CVEs
The web management service in affected RouterOS versions contains an integer underflow in its HTTP request body handling that is reachable before authentication. This can be leveraged by an unauthenticated network attacker to achieve arbitrary code execution as root, or to cause a denial of service, using a single crafted request.
Denuvo Anti-Tamper through 2026-03-04 allows bypass of a hypervisor presence check via CPUID interception (SimpleSvm.sys on AMD; hyperkd.sys and hyperhv.dll on Intel).
PeaZip before 11.3.0, in a non-default configuration, is vulnerable to OS command injection via a filename in an archive because "quotation character already used in the string" is mishandled.
Zilliz Attu before 3.0.0 has a Playground feature that does not require authentication for proxying arbitrary HTTP and HTTPS requests to URLs on the public internet.
The Playground feature of Zilliz Attu before 3.0.0 allows SSRF (proxying of requests to private IP addresses).