--- title: What Tasks Are Run As Part Of ASM? description: ASM runs on a continuous, scheduled or ad hoc cadence, and is designed to probe and analyse a company's known digital footprint on the internet. --- [Skip to content](https://kb.edgescan.com/knowledge/what-tasks-are-run-as-part-of-asm#main-content) English Show submenu for translations [![Edgescan Cybersecurity Platform | EASM + RBVM + PTaaS](https://kb.edgescan.com/hs-fs/hubfs/Logos/23LOGOS-thicker/Edgescan-Logo-Black.png?width=200&height=40&name=Edgescan-Logo-Black.png)](https://www.edgescan.com/) Open main navigation Close main navigation - English Show submenu for translations Search the Edgescan knowledge base - There are no suggestions because the search field is empty. 1. [Help Center](https://kb.edgescan.com/knowledge?hsLang=en) 2. [Attack Surface Management](https://kb.edgescan.com/knowledge/attack-surface-management?hsLang=en) 3. [Discovery Methods](https://kb.edgescan.com/knowledge/attack-surface-management?hsLang=en#discovery-methods) # What Tasks Are Run As Part Of ASM? ## ASM runs on a continuous, scheduled or ad hoc cadence, and is designed to probe and analyse a company's known digital footprint on the internet. Version Number: v1.0.1 Published Date: 29 Sep 2026 \_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_\_ ### What ASM Checks For Edgescan ASM continuously monitors individual IP addresses, hostnames/FQDNs, and CIDR ranges for network-layer exposure and changes: ASM profiles are configurable, so if you have a service or port you need continuously checked for, let us know and we can update your profile to suit. | Category | What It Checks For | Details | | --- | --- | --- | | **Open TCP & UDP Ports** | Active listening endpoints | Identifies all accessible ports across standard and custom port ranges (e.g., standard top 25 TCP / top 5 UDP, extended top 10k TCP / top 200 UDP, or full 65,535 TCP range). Probes for services such as SSH (`22`), Telnet (`23`), SMTP (`25`), DNS (`53`), HTTP/HTTPS (`80`/`443`), MS-RPC (`135`), NetBIOS (`137–139`), IMAP (`143`), SNMP (`161/162`), BGP (`179`), RDP (`3389`), and MS-SQL (`1434`). | | **Service Identification** | Running daemon & service banners | Handshakes with responding ports to identify the specific service type and application banner (e.g., Apache, Nginx, OpenSSH, Postfix, Microsoft IIS). | | **Operating System Detection** | Host OS fingerprint | Analyzes TCP/IP stack behavior, packet responses, and banner data to determine the underlying operating system and platform. | | **Network Deltas & Exposure Changes** | Port and state changes over time | Compares scan results against the baseline inventory to detect: • **Newly opened ports** • **Closed/unreachable ports** • **Service/version changes** on existing open ports. | | **Host Availability & Reachability** | Host liveness | Confirms whether the asset remains publicly reachable from Edgescan’s multi-region scanning engine. |   - 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