Analisi sito web netdelta.io
NetDelta
Generato il Gennaio 25 2026 17:07 PM
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SEO Content
Title
NetDelta
Lunghezza : 8
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Description
Differential port scanning and deltas
Lunghezza : 37
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Keywords
information security, nmap deltas, port scan deltas, differential port scans, differential nmap scans
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Headings
| H1 | H2 | H3 | H4 | H5 | H6 |
| 0 | 6 | 4 | 9 | 0 | 0 |
- [H2] Detect perimeter changes before hackers detect them!
- [H2] About Netdelta
- [H2] Flagging port scan deltas should be easy right?
- [H2] Frequently Asked Questions
- [H2] On-boarding
- [H2] Contact Us
- [H3] Internet-facing hosts will be scanned at least 6 times per hour in the search for services to attack
- [H3] Netdelta: Periodic port scans - no false positives - analytics removes false deltas
- [H3] Periodic port scans on user-defined ranges
- [H3] Your one month trial starts here...
- [H4] If your network perimeter changes unexpectedly, that's probably bad! Unauthorised change? Rogue cloud API? Steve in networking misconfigured a firewall? Hacker's shell? Shadow IT? Rogue device? Post-M&A networking headaches? ...aka Attack Surface Management (ASM) headaches
- [H4] Flagging port scan deltas should be easy right? Just download ndiff and use that? Ndiff can work for a one-off differential scan where an accurate, longer term, consistent, scheduled scanning requirement with reliable results, is not required. The ndiff option doesn't work. Why?...false positives of course. False positives in differential port scanning render the whole exercise useless. They come in a number of forms:
- [H4] Most common is the host time out - scanner detects from one scan to another that a host is missing, it will flag a delta, but the host is actually up. This is a false delta. Netdelta retries the host over a user-configurable interval. Service time out. Also common is the service time out, where from one scan to the next, a service becomes unavailable, even if the host is available. Netdelta keeps a history of past scan results and calls out red, amber, green on the likelihood that the service delta is a false positive, based on the scan history and any previous occasions where the same delta was flagged. Service discovery scan time out. Discovery scans are set to run by default with Netdelta. This has the equivalent effect as with using the "-sV" option with nmap. Sometimes they time out, and nmap uses the port number alone to deduce the application layer service e.g. a port 443 TCP was previously a "http" port from its banner (surprisingly common), but then becomes "https" from nmap's guessed service name. Therein a false delta is reported. Netdelta deals with this by performing another analysis filter pass on the port scan data. tcp_wrapped services. This can occur for a variety of reasons (IDS can cause this for example), but either way, it causes a false delta to be raised. Netdelta allows the user to ignore these issues with an admin setting. Proxy time-out. Sometimes, with a reverse proxy in front of advertised services, a time-out in the connection can occur. Netdelta caters for various other factors that can lead to a false delta.
- [H4] Netdelta ...
- [H4] Can't I do the same thing with ndiff?
- [H4] Isn't the same thing offered with Tufin?
- [H4] How does Netdelta compare with typical VA scanners?
- [H4] What will Netdelta cost me?
- [H4] Will Netdelta assist with regulatory/compliance objectives?
Images
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Text/HTML Ratio
Ratio : 24%
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Flash
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In-page links
Abbiamo trovato un totale di 14 links inclusi 0 link(s) a files
| Anchor | Type | Juice |
|---|---|---|
| HOME | Interno | Passing Juice |
| ABOUT | Interno | Passing Juice |
| FAQ | Interno | Passing Juice |
| ON-BOARDING | Interno | Passing Juice |
| ndiff | Externo | Passing Juice |
| RESTful API | Externo | Passing Juice |
| webhook | Externo | Passing Juice |
| ndiff? | Externo | Passing Juice |
| Tufin? | Externo | Passing Juice |
| CVEs | Externo | Passing Juice |
| contact us | Interno | Passing Juice |
| PCI-DSS 4 | Externo | Passing Juice |
| Seven Stones Information Security | Externo | Passing Juice |
| SeanTheme | Externo | Passing Juice |
SEO Keywords
Keywords Cloud
netdelta port deltas false time host service delta scans scan
Consistenza Keywords
| Keyword | Contenuto | Title | Keywords | Description | Headings |
|---|---|---|---|---|---|
| netdelta | 12 |  |
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| scan | 12 | |
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| false | 10 | |
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| host | 9 | |
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| delta | 9 | |
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Usabilita
Url
Dominio : netdelta.io
Lunghezza : 11
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Avvisi : 0
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https://netdelta.io/robots.txt
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