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The Invoice Queue

Part of the Security Fundamentals section of Coddy's Cybersecurity journey. Lesson 30 of 43.

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Challenge

Medium

Ticket from Omar, finance

Three new messages are waiting: an account query, an IT archive request and a price bulletin. Read the messages, reply addresses and headers. Mark each as safe or phishing, and quarantine the fakes before anyone replies with invoice information. Keep the real bulletin available because we need its prices for purchasing.

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Terminal

All lessons in Security Fundamentals

1The First Alert

What Is CybersecurityStopping an AttackLog LinesStolen PasswordsMulti-Factor AuthenticationThe CIA TriadBack for More

4Passwords

Long PasswordsCommon PasswordsPassword SprayingMorning CleanupCredential StuffingMFA FatigueThe Password Review

7Incident Response

Incident ResponseContain, Don't DestroyWhat They Left BehindRecoveryThe Incident ReportThe Night Alert

2Phishing

PhishingLook-Alike DomainsWho ClickedThe Second Wave

5Email Attacks

Reply-ToDangerous AttachmentsWhere an Email Came FromThe Invoice QueueBusiness Email CompromiseBlocking a SenderMailbox RulesThe Phishing Reports

3Access Control

GroupsLeast PrivilegeAdmin RightsThe New HireLeaversShared AccountsSeparation of DutiesThe Access Review

6Rules of the Job

AuthorizationNo Hacking BackThe Vendor's Call