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If you have been sighing while watching overseas news about sandbox breakouts and autonomous agents breaking through control networks, it is time to face reality calmly. Research-lab-level zero-day vulnerabilities or memory corruption attacks are closer to Hollywood movies, and the main culprits that will take down our company's servers tomorrow are elsewhere. According to the Verizon Data Breach Investigations Report, 22 percent of all breaches start with valid account misuse. In addition, third-party vendor integration vulnerabilities have doubled year-over-year, accounting to 30 percent of all incidents. Before blaming expensive artificial intelligence security solutions, you must lock down neglected administrator accounts and flat network structures to prevent damage.
Microsoft's layered access model must be directly injected into the field. The control plane, backed by domain controllers, must be completely separated from the management plane, where production databases reside. Immediately remove administrator privileges embedded in work PC login accounts and split them into separate dedicated administrator accounts. Finding and suspending accounts left behind by resigned employees and service accounts neglected for years is the top priority. Database root accounts connected to external artificial intelligence automation tools must be lowered to read-only. Completing just these three measures drops the risk of unauthorized access to internal systems and lateral movement by autonomous agents down by 70 percent. At this rate, 97 percent of non-human identities hold and wield excessive privileges. If there is a development team embedding API keys in source code, you must immediately ban it and push for automatic rotation on a 90-day cycle.
By combining the open-source platform Wazuh and Microsoft Sysmon, you can build a decent log collection environment without spending money. Push Sysmon into every server and endpoint, and scrape process creation records and network connection logs. PowerShell script block logging must also be turned on. To catch signs of abnormal external API calls or massive data exfiltration, you must embed threshold alerts in the Wazuh configuration file. If there are signs of attempting 20 or more massive external connections over 5 minutes, it is a signal that BitAdmin or a custom script is running. When the alarm sounds, Wazuh Active Response cuts off the host from the network and kills the session in the central IdP console. Completing this flow allows you to cut the initial detection time down to within 2 hours in the event of an incident.
Phishing emails exploiting generative artificial intelligence lure people by scraping internal information without a single grammatical error. 82.6 percent of phishing emails are generated by generative AI, and voice phishing has surged by up to 442 percent. A disaster occurs when employees use shadow AI and hand over customer personal information or core source code entirely to public chatbots. Access to public chatbots must be blocked at the web proxy level and corporate usage prohibition rules must be established. Conducting mock phishing training over 12 months to drop the phishing infection rate below 5 percent and raising the threat reporting rate is the most reliable defense line a field security professional can execute.
