Hartford, Public Schools had to postpone the first day of classes after a citywide ransomware attack.
The malicious attack infiltrated Hartford Public Schools’ critical systems, and after that the school could not completely restore those systems in time for classes to begin.
Source: https://www.databreaches.net/hartford-delays-first-day-of-school-due-to-ransomware-virus/
TPRM report: https://scoringcyber.rankiteo.com/company/hartford-public-schools
"id": "har2229141222",
"linkid": "hartford-public-schools",
"type": "Ransomware",
"date": "09/2020",
"severity": "85",
"impact": "3",
"explanation": "Attack with significant impact with internal employee data leaks"{'affected_entities': [{'industry': 'Education',
'location': 'Hartford',
'name': 'Hartford Public Schools',
'type': 'Educational Institution'}],
'description': 'Hartford Public Schools had to postpone the first day of '
'classes after a citywide ransomware attack. The malicious '
'attack infiltrated Hartford Public Schools’ critical systems, '
'and after that the school could not completely restore those '
'systems in time for classes to begin.',
'impact': {'downtime': 'Postponement of the first day of classes',
'operational_impact': 'Classes could not begin on time',
'systems_affected': ['critical systems']},
'title': 'Ransomware Attack on Hartford Public Schools',
'type': 'Ransomware'}