🇳🇱
maxxsense
2026-09-05 05:53:40
(8 hours ago)
(postfix-unknown) Failed postfix unknown login with username [redacted] from 5.152.145.51 (IT/Italy/ ...
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(postfix-unknown) Failed postfix unknown login with username [redacted] from 5.152.145.51 (IT/Italy/-)
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Hacking
🇮🇹
Inartis
2026-09-04 18:08:00
(20 hours ago)
2026-09-04T20:07:59.302363mail1.inartis.it postfix/smtpd[3927236]: warning: unknown[5.152.145.51]: S ...
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2026-09-04T20:07:59.302363mail1.inartis.it postfix/smtpd[3927236]: warning: unknown[5.152.145.51]: SASL PLAIN authentication failed: authentication failure, [email protected]
...
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Port Scan
Brute-Force
🇩🇪
FeG Deutschland
2026-09-04 00:52:03
(1 day ago)
Mail: - login with unknown user - bruteforce
Brute-Force
🇨🇿
lp
2026-09-03 18:20:21
(1 day ago)
Email account brute force: 2 attempts were recorded from 5.152.145.51
2026-09-03T19:57:10+02:00 warn ...
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Email account brute force: 2 attempts were recorded from 5.152.145.51
2026-09-03T19:57:10+02:00 warning: unknown[5.152.145.51]: SASL PLAIN authentication failed: authentication failure, [email protected]
2026-09-03T19:57:10+02:00 warning: unknown[5.152.145.51]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force
🇮🇹
Inartis
2026-09-03 00:37:47
(2 days ago)
2026-09-03T02:37:46.410100mail1.inartis.it postfix/smtpd[3529800]: warning: unknown[5.152.145.51]: S ...
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2026-09-03T02:37:46.410100mail1.inartis.it postfix/smtpd[3529800]: warning: unknown[5.152.145.51]: SASL PLAIN authentication failed: authentication failure, [email protected]
...
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Port Scan
Brute-Force
🇨🇿
lp
2026-09-01 09:20:55
(4 days ago)
Email account brute force: 1 attempts were recorded from 5.152.145.51
2026-09-01T09:58:46+02:00 warn ...
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Email account brute force: 1 attempts were recorded from 5.152.145.51
2026-09-01T09:58:46+02:00 warning: unknown[5.152.145.51]: SASL PLAIN authentication failed: authentication failure, [email protected]
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Brute-Force
🇮🇩
sockominfo
2026-08-28 04:00:53
(1 week ago)
Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS ...
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Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS v3.1: 6.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. Bayesian Probability: 87%. MITRE ATT&CK: T1110 (Brute Force). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS
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Hacking
Exploited Host
🇮🇩
sockominfo
2026-08-28 03:00:53
(1 week ago)
Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS ...
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Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS v3.1: 6.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. Bayesian Probability: 86%. MITRE ATT&CK: T1110 (Brute Force). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS
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Hacking
Exploited Host
🇮🇩
sockominfo
2026-08-28 02:01:00
(1 week ago)
Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS ...
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Postfix: Multiple SASL authentication failures.. Threat Score: 7.3/10 (HIGH). Confidence: 50%. CVSS v3.1: 6.3/10 (Medium). CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. Bayesian Probability: 85%. MITRE ATT&CK: T1110 (Brute Force). Tactic: TA0001. Freshness: Fresh. Source Reputation: UNKNOWN. Methodology: CVSS 3.1 + Bayesian + Temporal + Environmental + MITRE ATT&CK + OWASP. Standards: ISO/IEC 27065:2022, NIST SP 800-30, IEEE S&P 2020. Reported by TangerangKota-CSIRT. Status: MALICIOUS
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Hacking
Exploited Host
🇮🇩
sockominfo
2026-08-28 01:00:12
(1 week ago)
Postfix: Multiple SASL authentication failures.. Threat Score: 5.5/10 (MEDIUM). Reported by Tangeran ...
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Postfix: Multiple SASL authentication failures.. Threat Score: 5.5/10 (MEDIUM). Reported by TangerangKota-CSIRT
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Hacking
Web App Attack
🇵🇾
SecOpsSL
2026-08-27 06:51:32
(1 week ago)
2026-08-27 03:51:31,093 WARN [qtp992768706-4550:smtp://mail.provindus.com.py:7073/service/admin/soa ...
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2026-08-27 03:51:31,093 WARN [qtp992768706-4550:smtp://mail.provindus.com.py:7073/service/admin/soap/] [[email protected] ;oip=5.152.145.51;oport=35724;oproto=smtp;soapId=659ba41a;] security - cmd=Auth; [email protected] ; protocol=soap; error=authentication failed for [[email protected] ], invalid password;
2026-08-27 03:51:31,343 WARN [qtp992768706-4550:smtp://mail.provindus.com.py:7073/service/admin/soap/] [[email protected] ;oip=5.152.145.51;oport=35724;oproto=smtp;soapId=659ba41b;] security - cmd=Auth; [email protected] ; protocol=soap; error=authentication failed for [[email protected] ], invalid password;
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Hacking
Web App Attack
🇬🇧
killian7603
2026-08-25 19:48:31
(1 week ago)
Logon Policy Violation
Email Spam
Spoofing
Brute-Force
🇮🇹
VHosting
2026-08-21 15:05:06
(2 weeks ago)
Detected mail brute force attack from different servers
Brute-Force
Anonymous
2026-08-15 04:31:00
(3 weeks ago)
Failed login attempt detected by Fail2Ban in plesk-postfix jail
Brute-Force
🇫🇮
notelseit
2026-08-14 16:53:42
(3 weeks ago)
2026-08-14T18:53:36.456474+02:00 mail postfix/smtps/smtpd[4020476]: warning: unknown[5.152.145.51]: ...
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2026-08-14T18:53:36.456474+02:00 mail postfix/smtps/smtpd[4020476]: warning: unknown[5.152.145.51]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-08-14T18:53:42.018613+02:00 mail postfix/smtps/smtpd[4020476]: warning: unknown[5.152.145.51]: SASL PLAIN authentication failed: (reason unavailable), [email protected]
2026-08-14T18:53:42.018906+02:00 mail postfix/smtps/smtpd[4020476]: disconnect from unknown[5.152.145.51] ehlo=1 auth=0/2 commands=1/3
...
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Brute-Force
Email Spam