Access Log Analysis Agent

Automatically analyzes access logs for unusual activity, identifying potential security threats such as unauthorized access attempts or suspicious login patterns.

About the Agent

The Access Log Analysis Agent streamlines the process of analyzing system access logs to identify unusual or suspicious activities. Leveraging GenAI, this agent monitors login patterns, failed access attempts, and changes to access privileges, promptly flagging any deviations from established norms. It generates comprehensive reports for the IT security team, enabling swift investigation and mitigation of potential security threats. By automating access log monitoring, the agent reduces the time required to detect unauthorized access and ensures that security teams receive real-time alerts, enhancing the organization’s ability to address breaches effectively. This solution strengthens security incident detection, minimizes the need for manual log analysis, and ensures prompt resolution of potential threats.

Seamlessly integrating with existing security tools and log management systems, the agent fits effortlessly into the organization’s current infrastructure. Additionally, it incorporates a human feedback loop, allowing security teams to refine anomaly detection parameters, adjust alert sensitivity, and continuously optimize the agent’s performance. This feedback enables the agent to adapt and improve its detection accuracy over time, aligning more closely with the organization’s unique security requirements and strengthening overall threat detection capabilities.

Accuracy
TBD

Speed
TBD

Input Data Set

Sample of data set required for Access Log Analysis Agent:

Known Users and Roles

User: James Miller

  • Role: Senior IT Administrator
  • Privileges: Full access to system logs, security settings, and server configurations.
  • Typical Login Time: Between 7:00 AM and 6:00 PM.
  • Authorized IP Range: Internal Office Network (172.20.0.0/16)

User: Emily Davis

  • Role: Finance Manager
  • Privileges: Access to financial data, reports, and payment processing systems.
  • Typical Login Time: Between 8:00 AM and 5:00 PM.
  • Authorized IP Range: Remote VPN Access (198.51.100.0/24)

User: Jessica Lee

  • Role: Data Analyst
  • Privileges: Access to company analytics, data warehouses, and reporting tools.
  • Typical Login Time: Between 9:00 AM and 6:00 PM.
  • Authorized IP Range: Trusted External Networks (203.0.113.0/24)
TimestampUser IDIP AddressLogin StatusAction
2024-10-14 08:23:15james.miller172.20.10.10SuccessLogin
2024-10-14 08:25:00emily.davis203.0.113.52FailureInvalid Password
2024-10-14 08:25:15emily.davis203.0.113.52FailureInvalid Password
2024-10-14 08:25:30emily.davis203.0.113.52FailureInvalid Password
2024-10-14 08:25:45emily.davis203.0.113.52SuccessLogin
2024-10-14 09:01:00lucas.rogers192.168.1.101SuccessLogout
2024-10-14 09:40:20sarah.connor198.51.100.204SuccessLogin
2024-10-14 10:15:05jessica.lee203.0.113.120FailureInvalid Password
2024-10-14 10:15:30jessica.lee203.0.113.120FailureInvalid Password
2024-10-14 10:15:45jessica.lee203.0.113.120FailureInvalid Password
2024-10-14 10:20:00michael.brown198.51.100.45SuccessLogin
2024-10-14 10:55:10jessica.lee203.0.113.120SuccessLogin
2024-10-14 10:57:30jessica.lee203.0.113.120FailurePrivilege Escalation Attempt
2024-10-14 10:58:15jessica.lee203.0.113.120FailurePrivilege Escalation Attempt
2024-10-14 10:59:00jessica.lee203.0.113.120FailurePrivilege Escalation Attempt
2024-10-14 11:00:00jessica.lee203.0.113.120FailurePrivilege Escalation Attempt

Security Configuration for Anther Corp

Login Policies

  • Max Failed Login Attempts: 3 consecutive failures trigger an account lock.
  • Authorized Login Times: Users should log in between 6:00 AM and 8:00 PM.
  • Authorized IP Address Ranges:
    • Internal Office Network: 172.20.0.0/16
    • Remote VPN Access: 198.51.100.0/24
    • Trusted External Networks: 203.0.113.0/24

Privilege Escalation Policies

  • Max Escalation Attempts: 2 failed escalation attempts before locking the account.
  • Admin Approvals Required: All admin role changes must be approved by a senior security administrator.

Alert Triggers

  • Failed Logins: Generate alerts if more than 3 consecutive failed login attempts occur.
  • Unrecognized IPs: Flag any login from untrusted IP addresses outside the defined ranges.
  • Failed Privilege Escalations: Flag and lock any account with more than 2 failed privilege escalation attempts.

Deliverable Example

Sample output delivered by the Access Log Analysis Agent:

Security Incident Report

Alert ID: AL-20241014-SEC01

  • Generated By: Access Log Analysis Agent
  • Date: 2024-10-14
  • Time: 11:00 AM
  • Severity Level: High

Incident Summary

1. Failed Logins and Possible Brute Force Attack - User: Emily Davis

  • Timestamp: 2024-10-14 08:25:00 - 08:25:45
  • IP Address: 203.0.113.52 (Trusted External Network)
  • Login Status: 3 Failed Login Attempts, 1 Successful Login
  • Description: User Emily Davis attempted to log in from an authorized VPN network but failed 3 times in quick succession, followed by a successful login. This behavior may indicate a brute force attack or an unauthorized attempt to access the account.

Recommended Action:

  • Immediate Review: Investigate whether these login attempts were legitimate or part of a brute force attack.
  • MFA Enforcement: Enforce Multi-Factor Authentication (MFA) for external logins to prevent unauthorized access.

2. Failed Privilege Escalation Attempts - User: Jessica Lee

  • Timestamp: 2024-10-14 10:57:30 - 11:00:00
  • IP Address: 203.0.113.120 (Unrecognized External Network)
  • Activity: 4 Failed Privilege Escalation Attempts
  • Description: User Jessica Lee successfully logged in from an unrecognized external IP (203.0.113.120) and proceeded to make 4 consecutive privilege escalation attempts. None of these attempts were successful, and the behavior is indicative of a compromised account or malicious intent.

Recommended Action:

  • Immediate Lockdown: Lock Jessica Lee's account and block the unrecognized IP address.
  • Audit and Investigation: Conduct a full audit of Jessica Lee's account activity to assess potential data breaches or insider threats.
  • IP Whitelisting: Ensure IP address 203.0.113.120 is added to the untrusted list and is blocked from further attempts.

Business Impact

Potential Security Risks:

  • Emily Davis's account may have been targeted in a brute force attack, potentially leading to unauthorized access to the company's financial systems.
  • Jessica Lee's account shows signs of a potential compromise, and her failed privilege escalation attempts may indicate a malicious insider or a hacker attempting to gain higher access levels.

Immediate Business Impact:

  • Financial data and reports accessible by Emily Davis could be at risk if her login was compromised.
  • Jessica Lee's access to company analytics and data warehouses could pose a significant threat to data security, particularly if sensitive data is involved.

Recommendations

  1. Enforce Multi-Factor Authentication (MFA): Implement MFA for all users logging in from external networks, especially users with access to sensitive data like Emily Davis and Jessica Lee.
  2. Audit User Accounts: Perform an immediate audit of both users' accounts to check for any unusual activity in the past 30 days.
  3. Monitor Privilege Escalation Attempts: Set up stricter monitoring of privilege escalations, ensuring that any unusual behavior triggers immediate alerts and account lockouts.
  4. Block Unrecognized IPs: Add IP address 203.0.113.120 to the blacklist and monitor for any future attempts from similar IP ranges.

Stakeholders

  • Primary Contact: Security Operations Center (SOC) - securityops@anthercorp.net
  • Secondary Contact: Infrastructure Admin - infra.admin@anthercorp.net
  • Incident Manager: Maria Sanchez, Senior Security Analyst

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