The network of the Port of Houston, one of the largest port authorities in the US, was targeted by the state-sponsored hacking group using a zero-day vulnerability in a Zoho user authentication appliance.
Port officials successfully defended the attack, and no operational data or systems were impacted as a result of the attempted intrusion.
Source: https://therecord.media/state-sponsored-hacking-group-targets-port-of-houston-using-zoho-zero-day/
TPRM report: https://scoringcyber.rankiteo.com/company/port-houston
"id": "por221427123",
"linkid": "port-houston",
"type": "Vulnerability",
"date": "09/2021",
"severity": "25",
"impact": "1",
"explanation": "Attack without any consequences"{'affected_entities': [{'industry': 'Transportation',
'location': 'Houston, USA',
'name': 'Port of Houston',
'type': 'Port Authority'}],
'attack_vector': 'Zero-day vulnerability in a Zoho user authentication '
'appliance',
'description': 'The network of the Port of Houston, one of the largest port '
'authorities in the US, was targeted by the state-sponsored '
'hacking group using a zero-day vulnerability in a Zoho user '
'authentication appliance. Port officials successfully '
'defended the attack, and no operational data or systems were '
'impacted as a result of the attempted intrusion.',
'threat_actor': 'State-sponsored hacking group',
'title': 'Cyber Attack on Port of Houston',
'type': 'Cyber Attack',
'vulnerability_exploited': 'Zero-day vulnerability'}