TikTok OSINT Intelligence Report: @ederknywt01 / Castelo da costura
Generated: Jul 25, 2026
Castelo da costura
Online Presence (5 verified)
Bottom Line Up Front
The TikTok account @ederknywt01 appears to be a real, public Portuguese-language business/service persona focused on sewing-machine maintenance and a ‘fru-fru’ attachment. The profile content, bio, and search matches align closely with the claimed name Castelo da costura, and there are no strong signs of impersonation or synthetic profile imagery. The main credibility issue is limited scale: only 80 followers, 2 videos, and minimal engagement data, so the account is more useful as a niche service lead than as a broad public brand.
Key Judgments
The account is likely genuinely tied to a sewing-machine maintenance persona using the name Castelo da costura.
There is no strong evidence that the profile picture is AI-generated or a deepfake.
Audience authenticity cannot be fully verified from the available data, but the small follower base and low post count do not suggest obvious bot amplification.
Risk Assessment
Analytic confidence in this assessment is high.
Identity resolution
Resolved Primary Identity
Castelo da costura
The strongest identity signal is the exact nickname match between the seed phrase and the TikTok display name, backed by a bio that explicitly describes sewing-machine maintenance and adjustment of a fru-fru pleating attachment. The profile language is Portuguese, the posts are consistent with that niche, and the cross-platform search results show only weak partial-name overlaps elsewhere. This supports a niche business or service persona rather than an impersonator profile.
Resolved Identifiers
username
ederknywt01
other
Castelo da costura
website
https://www.tiktok.com/@ederknywt01
location
Brazil
Online presence
The subject’s confirmed presence is strongest on TikTok. Other platform results are weak, partial, or likely unrelated, so they should be treated as pivots for verification rather than as attributed accounts.
TikTok • Public
Linkage Basis:
- Exact nickname match
- Bio explicitly references sewing-machine maintenance
- Post topics match profile bio
- Exact search match from person_social_search_v1
Facebook • Unknown
Linkage Basis:
- Partial name overlap only
- No corroborating bio or content
- Search tool flagged as likely unrelated
Instagram • Unknown
Linkage Basis:
- Topic overlap with costura/sewing
- No direct identity link
- No corroborating profile text
LinkedIn • Unknown
Linkage Basis:
- Shared Castelo token only
- Business-name search noise
- No direct connection to sewing persona
YouTube • Unknown
Linkage Basis:
- Search result only
- No corroborating matching metadata
Search 15B+ breach records for @ederknywt01
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Target Alias
@ederknywt01
Account OSINT
Top Associated Accounts
The network picture is thin. The only credible connection is the sewing-service theme itself. Other named accounts surfaced in search, but they are best treated as loose pivots until independently verified.
casadascosturas
same_link_in_bioInstagram search result
"Possible adjacent sewing business account, but not confirmed as the same operator."
DonaCostura.Castelo
same_username_patternFacebook search result
"Name overlap only; likely unrelated or at most adjacent branding."
Castelo Brands
organizationLinkedIn search result
"Shared token in name but no direct linkage to the TikTok persona."
Who is Castelo da costura associated with?
Reveal the Tiktok accounts Castelo da costura is connected to and interacts with most.
Reveal Associates »Account Timeline
The account shows low-volume, trade-specific activity with a short burst of visible posting in late June and early July 2026. That pattern is more consistent with a small service business than with an engagement farm or mass-content spam account.
Account Created
2025-06-14
The account is relatively new, which fits a niche service persona still building presence.
Latest Post
2026-07-09
The most recent visible post shows the account was active recently in the provided dataset.
Posting Window
Two visible posts between 2026-06-23 and 2026-07-09
Activity is sparse but clustered in a short window, suggesting limited publishing volume rather than steady high-frequency posting.
Activity Gap
Roughly one year between account creation and the visible post period
The gap may reflect a dormant period, private posting, or missing historical coverage.
Map the full network.
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Intelligence gathered
Strong Identifiers And Pivots
- The TikTok handle is @ederknywt01 and the display name is Castelo da costura.
- The bio states in Portuguese: maintenance in sewing machines, installation, and adjustment of a fru-fru pleating attachment.
Intelligence Gaps 3
- No public email address was recovered.
- No phone number, website, or external bio link was present in the evidence provided.
- No secondary platform was strongly attributable to the same subject.
Weak Identifiers And Background Markers
- The profile language is Portuguese and the video region is Brazil, which fits a Brazilian service persona.
- The account was created on 2025-06-14.
Intelligence Gaps 2
- No city, state, or workplace was disclosed in the profile data.
- No self-claimed legal name is visible in the evidence set.
Account Attribution And Identity Linkage
- Person-focused search returned an exact TikTok match with very high confidence, specifically citing the nickname, Portuguese bio, and profile avatar context.
- Cross-platform results on Facebook, Instagram, LinkedIn, and YouTube were only partial or topical matches, not strong identity matches.
Intelligence Gaps 2
- No independent off-platform proof of business registration or storefront was provided.
- No matching email or link-in-bio record was found.
Online Presence And Platform Activity
- Only two TikTok videos were visible, both centered on fru-fru attachment comparison and sewing-related tooling.
- The videos performed unevenly but modestly: about 48,018 views on one post and 31,664 on the other, with low likes relative to views.
Intelligence Gaps 2
- No live stream, playlist, or broader content ecosystem was visible.
- The data does not include comment text or audience demographics.
Behavioral Markers And Preferences
- Content is highly niche and product/service focused, not lifestyle-heavy or persona-driven.
- The account uses sewing terminology repeatedly, suggesting a trade-specific audience rather than a general entertainment audience.
Intelligence Gaps 1
- No evidence of off-topic posting, political content, or engagement bait was provided.
Temporal Markers And Activity Windows
- Account creation date: 2025-06-14.
- Visible videos were posted on 2026-06-23 and 2026-07-09, indicating active posting after a roughly one-year gap from account creation.
Intelligence Gaps 2
- No daily or hourly activity pattern was exposed.
- No evidence of sustained posting frequency beyond the two visible videos.
Best next moves
Reopen TikTok profile @ederknywt01 for current contact data
The current evidence shows a real niche service persona, but no email, website, or location was recovered. A live profile check could reveal a contact button or link-in-bio that would materially improve attribution and lead verification.
Verify whether Castelo da costura appears in business directories
The profile looks like a trade account, so off-platform listings are the best next step for confirming legitimacy and service area. Search results may expose a storefront, WhatsApp number, or consistent brand spelling.
Review candidate account casadascosturas on Instagram
This is the strongest adjacent platform lead from search, but it remains unconfirmed. A direct profile review could show whether it shares contact details, branding, or content with the TikTok account.
Review candidate account DonaCostura.Castelo on Facebook
This Facebook result shares name components with the target and may represent adjacent branding. It is not attributable yet, but checking its bio and image could help rule it in or out quickly.
Monitor this Tiktok account for changes
Track handle changes, bio edits, profile removals, and new signals without re-checking this account manually.
Risks & recommendations
Identified Risks
3 risks
⤷ 3 additional risks found in this analysis
Identified Risks
3 risks⤷ 3 additional risks found in this analysis
Impersonation / brand confusion
UnlikelyLow but non-zero risk that a trade account with a similar name could be copied or confused with another sewing business if the brand expands.
Audience authenticity
Roughly even chanceThe audience is too small to assess with high confidence, so follower quality and engagement authenticity remain uncertain.
Lead-generation reliability
LikelyIf this is a real service business, the account may be vulnerable to weak discoverability because of sparse posting and limited profile infrastructure.
Recommendations
3 actions
⤷ 3 recommended courses of action
Recommendations
3 actions⤷ 3 recommended courses of action
Verify the TikTok profile and bio details
3 stepsConfirm that the public profile still matches the evidence set and note any new contact fields or link-in-bio changes.
Validate adjacent platform leads
3 stepsTreat the Facebook, Instagram, LinkedIn, and YouTube search results as leads, not as confirmed matches, and verify them one by one.
Check for business legitimacy signals
3 stepsLook for off-platform evidence that this is a real sewing-service business rather than a disposable profile.
Data sources
Source Registry
6 sources
Assessment is limited to publicly accessible profile and search evidence provided by the collection tools. No private data, login-gated content, or non-consensual enrichment was used.
Source Registry
6 sourcesAssessment is limited to publicly accessible profile and search evidence provided by the collection tools. No private data, login-gated content, or non-consensual enrichment was used.
| Source ID / Type | Description | Grading (Src/Info) |
|---|---|---|
|
eval_1
social profile
|
TikTok profile metadata for @ederknywt01 / Castelo da costura.
Coverage: username, display name, bio, account status, creation time, follower/following counts, and basic profile settings.
|
SRC
A
INFO
1
|
|
eval_2
post
|
TikTok video metadata and engagement for the account’s two visible videos.
Coverage: post dates, descriptions, hashtags, views, likes, comments, shares, saves, and language.
|
SRC
A
INFO
1
|
|
eval_3
username search
|
Cross-platform search results for the name Castelo da costura.
Coverage: candidate profile links on Facebook, Instagram, LinkedIn, and YouTube.
|
SRC
B
INFO
2
|
|
eval_4
username search
|
Person-focused social search for Castelo da costura with confidence scoring.
Coverage: exact TikTok match and weak partial matches on other platforms.
|
SRC
B
INFO
2
|
|
eval_5
reverse image
|
AI/deepfake image detection on the profile avatar.
Coverage: synthetic-image likelihood estimate and face detection output.
|
SRC
B
INFO
2
|
|
eval_6
metadata
|
Public profile email discovery attempt.
Coverage: email field result for the TikTok profile.
|
SRC
B
INFO
2
|
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