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Grupo Santillana

santillana.com

Group Hellcat
Discovered 2025-03-25
Est. attack date 2025-03-24
Country ES

Description:

We hold sensitive files from Santillana, the largest business unit of Spain’s publicly traded Prisa media group. The company must act quickly to prevent the exposure of this data.

Infostealer activity detected by HudsonRock

Compromised Employees: 140

Compromised Users: 768

Third Party Employee Credentials: 382


External Attack Surface: 122


Infostealer Distribution

DNS Records:

The following DNS records were found for the victim's domain.

WHOIS Emails
  • 54e83393-9616-4295-9b9e-0897f9ea22c1@identity-protect.org
  • trustandsafety@support.aws.com
MX Records
  • santillana-com.mail.protection.outlook.com.
TXT Records
  • adobe-idp-site-verification=10091c1a-d9c8-417d-b81b-c7cdd1432933
  • atlassian-domain-verification=MWUBFpCD2zYBXKHoDvY/w7wr4hdmTnjGM0U6KQ5aHHROKvICrBzAbtTeXWQ/ABUe
  • d365mktkey=5qlu4tpqm0vkfzcafmp4us4jl
  • google-site-verification=bd7fnzYvY0-JdQudftOOkvRrrslgA1nyOR7D_cBJ3xI
  • qbtb5esnj7d5jscb21b2d24e4l
  • MS=ms96199414
  • google-site-verification=GmeK-NnNjGKRFhryYmsyq6AC22aSrD0emdkgG6r_kqQ
  • msfpkey=1q470h75mvqsm0wbqn30b7gpj
  • 47u19eqtrote20d3evjuladfk0
  • o5WhKSTbR7xxNbgWBqzDC0tDbh+X0kEe/FfSEtPOxW8=
  • d365mktkey=653sak10knnmp4lkp0z2948bl
  • Sendinblue-code:3b6eea36b2b2c1cf82823aceeffa101a
  • d365mktkey=54g6jaz8c5p2wxtnuyp7z0meo
  • d365mktkey=V4EO007A471eQ6UjSStxPgQgyexlHvU7HsxxR0gCYhgx
  • d365mktkey=7bog9gv9olo0mplsbp1jfoqmf
  • d365mktkey=ofbosp1yxoyb6y37z0an88ip
  • d365mktkey=4cll2ep039d4i8o3o3c48txo4
  • d365mktkey=1xk5d40n6y6wxj8o20ebnlvrj
  • qndtx6hsy8m4pt33knb3kz76cyp5jm77
  • v=spf1 a:mail-out.grupoprisa.net include:spf.santillana.com include:sendgrid.net include:spf.protection.outlook.com include:amazonses.com include:mail.zendesk.com include:amazonses.com include:_pmta2.antevenio.com -all
  • zoom-domain-verification=5cb4f6e3-b566-4eab-9573-8bceb0224b4f
  • k1rff9zyqzxp2y8177jvwv58c7k3tbv9
  • infoblox-domain-mastery=77245b4f07723b8c9bc29e48a6cbaee2c1c40a27c74a1158e090a1fb42364a240e
  • adobe-idp-site-verification=b5c313e7f1df3d5e628a3008e2e7d9705ac4c9696babb3e4b7898f5880f17632
Cloud / SaaS Services Detected
Adobe Atlassian Amazon SES/WorkMail Microsoft 365 Zendesk SendGrid