MITRE ATT&CK Technique
Defense Evasion T1070.002
Description

Adversaries may clear system logs to hide evidence of an intrusion. macOS and Linux both keep track of system or user-initiated actions via system logs. The majority of native system logging is stored under the <code>/var/log/</code> directory. Subfolders in this directory categorize logs by their related functions, such as:(Citation: Linux Logs) * <code>/var/log/messages:</code>: General and system-related messages * <code>/var/log/secure</code> or <code>/var/log/auth.log</code>: Authentication logs * <code>/var/log/utmp</code> or <code>/var/log/wtmp</code>: Login records * <code>/var/log/kern.log</code>: Kernel logs * <code>/var/log/cron.log</code>: Crond logs * <code>/var/log/maillog</code>: Mail server logs * <code>/var/log/httpd/</code>: Web server access and error logs

Supported Platforms
Linux macOS
Created

April 29, 2026

Last Updated

April 29, 2026

STIX Data
{'created': '2020-01-28T17:11:54.034Z',
 'created_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'description': 'Adversaries may clear system logs to hide evidence of an '
                'intrusion. macOS and Linux both keep track of system or '
                'user-initiated actions via system logs. The majority of '
                'native system logging is stored under the '
                '<code>/var/log/</code> directory. Subfolders in this '
                'directory categorize logs by their related functions, such '
                'as:(Citation: Linux Logs)\n'
                '\n'
                '* <code>/var/log/messages:</code>: General and system-related '
                'messages\n'
                '* <code>/var/log/secure</code> or '
                '<code>/var/log/auth.log</code>: Authentication logs\n'
                '* <code>/var/log/utmp</code> or <code>/var/log/wtmp</code>: '
                'Login records\n'
                '* <code>/var/log/kern.log</code>: Kernel logs\n'
                '* <code>/var/log/cron.log</code>: Crond logs\n'
                '* <code>/var/log/maillog</code>: Mail server logs\n'
                '* <code>/var/log/httpd/</code>: Web server access and error '
                'logs\n',
 'external_references': [{'external_id': 'T1070.002',
                          'source_name': 'mitre-attack',
                          'url': 'https://attack.mitre.org/techniques/T1070/002'},
                         {'description': 'Marcel. (2018, April 19). 12 '
                                         'Critical Linux Log Files You Must be '
                                         'Monitoring. Retrieved March 29, '
                                         '2020.',
                          'source_name': 'Linux Logs',
                          'url': 'https://www.eurovps.com/blog/important-linux-log-files-you-must-be-monitoring/'}],
 'id': 'attack-pattern--2bce5b30-7014-4a5d-ade7-12913fe6ac36',
 'kill_chain_phases': [{'kill_chain_name': 'mitre-attack',
                        'phase_name': 'defense-evasion'}],
 'modified': '2025-10-24T17:48:34.441Z',
 'name': 'Clear Linux or Mac System Logs',
 'object_marking_refs': ['marking-definition--fa42a846-8d90-4e51-bc29-71d5b4802168'],
 'revoked': False,
 'spec_version': '2.1',
 'type': 'attack-pattern',
 'x_mitre_attack_spec_version': '3.2.0',
 'x_mitre_deprecated': False,
 'x_mitre_detection': '',
 'x_mitre_domains': ['enterprise-attack'],
 'x_mitre_is_subtechnique': True,
 'x_mitre_modified_by_ref': 'identity--c78cb6e5-0c4b-4611-8297-d1b8b55e40b5',
 'x_mitre_platforms': ['Linux', 'macOS'],
 'x_mitre_version': '1.0'}
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