Is kla4.io safe?
http://kla4.io/
Coveragestrong2 of 4 applicable core capabilities
Domain kla4.io linked to Fake CAPTCHA phishing campaigns
The domain kla4.io has been identified in malware analysis reports as hosting Fake CAPTCHA pages used for phishing and credential harvesting. The site currently shows a Klaviyo 404 page, but the historical malicious activity makes any interaction with links to this domain high risk.
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Where this site sits
- Dangerous1–20
- High Risk21–44
- Moderate Risk45–69
- Low Risk70–84
- Safe85–100
The score combines saved evidence strength and analysis quality. Coverage is reported separately.
01 · Investigation Brief
Investigation Brief
The domain kla4.io has been identified in malware analysis reports as hosting Fake CAPTCHA pages used for phishing and credential harvesting. The site currently shows a Klaviyo 404 page, but the historical malicious activity makes any interaction with links to this domain high risk.
Malware analysis findings
Multiple malware analysis platforms have flagged URLs under kla4.io as part of suspicious or malicious campaigns, with one independent antivirus family reporting an adverse result.
The domain is specifically associated with Fake CAPTCHA phishing campaigns designed to facilitate credential harvesting.
Current domain status
The domain currently redirects to a Klaviyo-hosted 404 error page displaying the Klaviyo logo and the message 'Sorry, that page isn't actually here.'
This suggests the domain may have been abandoned or is misconfigured, though the historical association with phishing campaigns remains a significant risk factor.
Why the score is 15
Domain flagged in malware analysis reports for hosting Fake CAPTCHA phishing campaigns. Coverage remains separate so missing sources cannot be mistaken for clean results.
02 · Security Evidence
Security evidence
Antivirus Engines
1/ 92
detectionsSaved result - stale
1 engine flagged this URL
Every saved adverse engine is listed below. The full provider matrix remains available for audit.
- Malicious
- 1
- Suspicious
- 0
- Total
- 92
| Engine | Finding |
|---|---|
| WebrootMalicious | malicious |
All 92 engine results
- Webroot - malicious - Malicious
- 0xSI_f33d - unrated - Clean
- Abusix - clean - Clean
- Acronis - clean - Clean
- ADMINUSLabs - clean - Clean
- AILabs (MONITORAPP) - clean - Clean
- AlienVault - clean - Clean
- alphaMountain.ai - clean - Clean
- AlphaSOC - unrated - Clean
- Antiy-AVL - clean - Clean
- ArcSight Threat Intelligence - unrated - Clean
- AutoShun - unrated - Clean
- Bfore.Ai PreCrime - unrated - Clean
- BitDefender - clean - Clean
- Bkav - unrated - Clean
- BlockList - clean - Clean
- Blueliv - clean - Clean
- Certego - clean - Clean
- ChainPatrol - unrated - Clean
- Chong Lua Dao - clean - Clean
- CINS Army - clean - Clean
- Cluster25 - unrated - Clean
- CRDF - clean - Clean
- Criminal IP - unrated - Clean
- CSIS Security Group - unrated - Clean
- CTX AI - clean - Clean
- Cyan - unrated - Clean
- Cyble - clean - Clean
- CyRadar - clean - Clean
- desenmascara.me - clean - Clean
- DNS8 - unrated - Clean
- Dr.Web - clean - Clean
- EmergingThreats - clean - Clean
- Emsisoft - clean - Clean
- Ermes - unrated - Clean
- ESET - clean - Clean
- ESTsecurity - clean - Clean
- Forcepoint ThreatSeeker - clean - Clean
- Fortinet - clean - Clean
- Fortra - unrated - Clean
- G-Data - clean - Clean
- GCP Abuse Intelligence - unrated - Clean
- Google Safe Browsing - clean - Clean
- GreenSnow - clean - Clean
- GreyNoise - unrated - Clean
- Gridinsoft - unrated - Clean
- Guardpot - unrated - Clean
- Heimdal Security - clean - Clean
- Hunt.io Intelligence - unrated - Clean
- IPsum - clean - Clean
- Juniper Networks - clean - Clean
- K7AntiVirus - unrated - Clean
- Kaspersky - unrated - Clean
- LevelBlue - clean - Clean
- Lionic - clean - Clean
- Lumu - unrated - Clean
- Malwared - clean - Clean
- MalwarePatrol - clean - Clean
- MalwareURL - unrated - Clean
- Mimecast - unrated - Clean
- Netcraft - unrated - Clean
- OpenPhish - clean - Clean
- PhishFort - unrated - Clean
- Phishing Database - clean - Clean
- Phishtank - clean - Clean
- PREBYTES - clean - Clean
- PrecisionSec - unrated - Clean
- Quick Heal - clean - Clean
- Quttera - clean - Clean
- Rising - clean - Clean
- SafeToOpen - unrated - Clean
- Sangfor - clean - Clean
- Sansec eComscan - unrated - Clean
- Scantitan - clean - Clean
- SCUMWARE.org - clean - Clean
- Seclookup - clean - Clean
- Snort IP sample list - unrated - Clean
- SOCRadar - unrated - Clean
- Sophos - clean - Clean
- StopForumSpam - clean - Clean
- Sucuri SiteCheck - clean - Clean
- ThreatHive - clean - Clean
- URLhaus - clean - Clean
- URLQuery - unrated - Clean
- Viettel Threat Intelligence - clean - Clean
- VIPRE - unrated - Clean
- ViriBack - clean - Clean
- VX Vault - clean - Clean
- Xcitium Verdict Cloud - clean - Clean
- Yandex Safebrowsing - clean - Clean
- ZeroCERT - clean - Clean
- ZeroFox - unrated - Clean
Security Scans
Checked against the browser threat feeds available to this scan — no hit.
What we observed
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Visual context from the captured page
Klaviyo logo and 'Sorry, that page isn't actually here.'
What the captured page showed
1 observation- 01
Klaviyo logo and 'Sorry, that page isn't actually here.'
03 · Investigation Story
Investigation story
What the site claims
No page claim could be verified for kla4.io because no usable page content or saved capture was available.
What we observed
The page itself could not be fully inspected, so the report relies on the other saved checks.
What independent research found
1 external finding were saved and compared with the page evidence.
What remains unverified
2 of the 4 applicable core capabilities did not complete, so those gaps remain visible in the coverage ledger.
What kind of site and risk is this?
Threat category
Phishing & Impersonation
Service and business model
Unknown
Observed behavior
Evidence behind this classification
- 01Domain flagged in malware analysis reports for hosting Fake CAPTCHA phishing campaigns
- 021 independent antivirus family reported an adverse result. This comes from a saved antivirus observation rather than a new submission, so treat the detection as real but confirm the timing.
Web research findings
Independent findings for kla4.io, including public complaints, named review sources, registration records, and look-alike-domain evidence. A missing result is shown as unverified, never converted into a clean bill of health.
- Hybrid Analysisopen
"Fake CAPTCHA Threat Detected: suspicious domain"
Reputation Sources
How this domain rates across independent threat-intelligence and blocklist providers.
04 · Domain & Infrastructure
Domain & infrastructure
The plumbing behind the site — who registered it, how it’s encrypted, where it’s hosted, and where it links out. A valid certificate or a calm server doesn’t mean the business is honest — scam sites pass these checks too. Use this to corroborate the verdict, not to overturn it.
Infrastructure map
How the saved page connected to the wider web.
- Domainkla4.io
- Redirects tokla4.io
- Hosted byCloudflare, Inc.
Domain & Encryption
Redirect Chain
- 1301http://kla4.io/
- 2404https://kla4.io/
Server Reputation
05 · Evidence Ledger
Evidence ledger
- Antiviruspartial
- Browser threat feedcomplete
- Page contentpartial
- Analysiscomplete
- Visual evidencecomplete
The conclusion is supported by the evidence saved with this report.
Technical threat
suspiciousMalware, phishing, credential theft and hostile infrastructure.
Additional evidence review
Operator / customer risk
suspiciousComplaints, withdrawals, business conduct and commercial traps.
Additional evidence review
Source coverage and freshness
Status shows whether usable evidence was saved; finding shows what that evidence observed.
| Source | Result | Completion | Finding | Freshness |
|---|---|---|---|---|
| Antivirus | 1 of 92 engines flagged | Limited | Adverse | stale fallback · Sep 4, 2026 |
| Browser protection | No browser threat-list match | Completed | No adverse finding | Not available |
| Page content | Page content was not available for semantic review | Limited | No saved finding | Not available |
| Visual evidence | 1 visible observation saved with the page capture | Completed | No adverse finding | Not available |
| Independent research | 1 independent finding were saved | Completed | Adverse | Not available |
- Antivirus
- Result1 of 92 engines flagged
- CompletionLimited
- FindingAdverse
- Freshnessstale fallback · Sep 4, 2026
- Browser protection
- ResultNo browser threat-list match
- CompletionCompleted
- FindingNo adverse finding
- FreshnessNot available
- Page content
- ResultPage content was not available for semantic review
- CompletionLimited
- FindingNo saved finding
- FreshnessNot available
- Visual evidence
- Result1 visible observation saved with the page capture
- CompletionCompleted
- FindingNo adverse finding
- FreshnessNot available
- Independent research
- Result1 independent finding were saved
- CompletionCompleted
- FindingAdverse
- FreshnessNot available
07 · Safety FAQ
Safety FAQ
Common questions, answered directly from the scan data above — so the answers reflect the saved verdict and evidence in this report.
Is kla4.io a scam or a legit website?
Is kla4.io safe to use?
What should I do if I already gave my details to kla4.io?
Can I get my money back from kla4.io?
Did kla4.io steal my password or personal information?
How do I report kla4.io?
Why does kla4.io look legitimate if it's a scam?
Has kla4.io been flagged by antivirus engines?
Is kla4.io on any phishing or malware blacklists?
Where is kla4.io hosted?
How often is the kla4.io report updated?
08 · Final Verdict
Final verdict
Domain kla4.io linked to Fake CAPTCHA phishing campaigns
The domain kla4.io has been identified in malware analysis reports as hosting Fake CAPTCHA pages used for phishing and credential harvesting. The site currently shows a Klaviyo 404 page, but the historical malicious activity makes any interaction with links to this domain high risk.
09 · Community
