Chapter 2, keamanan email
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The document discusses email security threats faced by companies. It reports that according to BSSN's 2020 report, 55.53% of email threats occurred during office hours and 69% involved common office file extensions like .XLSX. Common email threats identified include spam, malware in the form of botnets and DDoS attacks, phishing scams, and business email compromise. The document provides recommendations for hardening email security including configuring SPF, DKIM, and DMARC authentication records and implementing mail filtering techniques to block malicious attachments, links, and sender addresses. It concludes that while defenses can be strengthened, email may never be completely secure.
Chapter 2, keamanan email
- 1. @Discord 12 July 2021, 14.00 Keamanan email Chapter 2/July/2021 Mail Security | Mail Protection
- 2. Community channel Edukasi gratis tentang Keamanan IT & penyebaran informasi yang benar
- 3. How email attacks affects companies, to the organization
- 4. Report BSSN 2020 Email Threat 2549 case with 55,53% office hour (09.00-17.00) & 44,37% non-office hour 69% with extension office .XLSX 18,3% with subject RFQ (Request for Quotation) SOURCE: HTTPS://CLOUD.BSSN.GO.ID/S/ZSDFEBRTKW7P8NW
- 5. Malware (Botnet/DDOS) Common Email Threats Email SPAM Business Email Compromise (BEC) Email SCAM 0-Day Attack
- 6. Email SPAM or Junk Mail Email yang tidak di-inginkan yang dikirim secara massal
- 7. Malware Threats MALWARE-PHISHING Memanfaatkan data user, memanipulasi dengan mengirim attachment / url malware MALWARE-SPAM Mengirim secara massal dengan attachment / url malware BOTNET/DDOS Memanfaatkan komputer yang sudah terinfeksi botnet dan mengirim email secara massal
- 11. Email SCAM
- 12. 0-Day Attack
- 14. "nslookup -type=txt domain.com" SPF Record
- 16. "nslookup _dmarc.domain txt" DMARC Record
- 18. Mail Filtering Malware / Ransomware Attachment filter Unsafe Attachment Pirated/Cracked Software Phishing Scam RX/Fake Cures Loans/Credit/Insurance Adult/Porn/Dating/Gambling Obscured Message Blacklisted URL Misc/General Misc/Abstract Approved Senders Blacklist Senders Bulk Mail Filter SPF/DKIM/DMARC Failure Corrupt Archive Invalid Headers Sender Alignment Mismatch Non-english Character Set Geographic Policy Custom Filters
- 19. Mail Filtering
- 20. "E-Mail Will Never Be 100 Percent Secure" SUMMARY
- 21. Do you have any questions?