Monday, September 8, 2025

MikeGPT CyberSecurity

“Playbook for the Secure Enterprise”

Heroes, welcome back. This weekend was light on novel threats. Here's a look at the current cybersecurity landscape for September 8, 2025.

High Severity

The Pentagon is reportedly reviewing Microsoft's use of Chinese nationals on U.S. military cloud system projects. This situation elevates concerns regarding software supply chain integrity and the potential for insider threats within critical defense infrastructure, prompting renewed scrutiny of personnel and development practices.

Microsoft is proceeding with the second phase of its mandatory multi-factor authentication (MFA) rollout for Azure users, set to begin in October 2025. This proactive measure aims to significantly harden Azure environments against identity-based attacks, which Microsoft research shows are effectively mitigated by MFA.

The Federal Trade Commission (FTC) has formally questioned Google's CEO about Gmail's spam filtering algorithms. The inquiry follows allegations that the filters disproportionately block political messages from Republican senders, highlighting the ongoing tension between security controls and political speech.

Other Noteworthy

The Federal Trade Commission (FTC) has formally questioned Google's CEO about Gmail's spam filtering algorithms. The inquiry follows allegations that the filters disproportionately block political messages from Republican senders, highlighting the ongoing tension between security controls and political speech.

Executive Briefing

Proactively Manage NHIs to Avoid Data Breaches

As cloud adoption accelerates, the management of Non-Human Identities (NHIs) like service accounts and API keys is becoming a critical security challenge. Organizations must implement proactive strategies to secure these machine-created identities, as they represent a growing attack surface for data breaches.

entro.security · 9:00 PM ·

Detection & Response

Detection & Response Kit (3 items)

⚠️ Disclaimer: Test all detection logic in non-production environments before deployment.

1. YARA Rule for Potential SalesLoft Integration Compromise

rule Potential_SalesLoft_Compromise_Indicator { meta: description = "Detects artifacts potentially related to the compromise of a SalesLoft integration, as seen in the Salesforce supply-chain attack. This is a conceptual rule." author = "Threat Rundown" date = "2025-09-08" reference = "https://sharedsecurity.net/?p=102229" strings: $str1 = "salesloft.drift.compromised.token" $str2 = "/api/v2/person/upsert.json" $hex1 = { 45 78 66 69 6c 74 72 61 74 65 53 61 6c 65 73 66 6f 72 63 65 } condition: uint16(0) == 0x5a4d and (1 of ($str*) or $hex1) }

2. SIEM Query — Anomalous Third-Party App API Activity

// Splunk Example: Detects a spike in data access or modification from a third-party integration index=salesforce sourcetype=salesforce:api eventtype=api // Define your known, trusted integrations | search NOT (user IN ("trusted_app_1", "trusted_app_2")) // Look for high-volume data read/write events | search (operation=query OR operation=upsert OR operation=update) // Baseline and alert on significant deviations | timechart span=1h count by user | foreach * [| trendline sma5(<<FIELD>>) as trend | eval deviation = '<<FIELD>>' - trend | where deviation > 200]

3. PowerShell Script — Check for Suspicious Scheduled Tasks

# This script checks for newly created scheduled tasks that might be used for persistence after an initial compromise. $recentTasks = Get-ScheduledTask | Where-Object { $_.TaskPath -notlike "\Microsoft\*" -and $_.Triggers.Time -gt (Get-Date).AddDays(-7) } if ($recentTasks) { Write-Host "[WARNING] Found recently created non-Microsoft scheduled tasks:" $recentTasks | Format-Table -Property TaskName, TaskPath, State, @{Name='CreationTime';Expression={$_.Triggers.Time}} -AutoSize } else { Write-Host "[INFO] No suspicious scheduled tasks found created in the last 7 days." }

This rundown should provide a solid overview of the current threat landscape. Thank you to all our cyberheroes for your diligence and hard work. Stay vigilant!