Transnet has declared a force majeure after a cyberattack halted all operations.
Investigators are currently looking into the source of the compromise and the extent of the breach.
The ports and freight-rail company says they are implementing all available measures to limit the impact of the compromise.
Sipho Pityana for Business Unity South Africa says there may be difficulties in meeting some contractual obligations for customers.
He says the group is working on restoring its systems.
More Stories
Accused SA Mother Remanded In Custody For Murder Of Her Three Children
Ramaphosa Confident Of Mpumalanga Votes
SA To Ramp Up Efforts To Get Removed From UK Red List
SA Reports 2 281 New COVID-19 Cases
De Lille Looking To Old Stomping Ground
Ramaphosa Pays Tribute To Joburg Mayor Jolidee Matongo
NICD Reports 3 286 New COVID-19 Cases in SA
Petition Launched To Have SA Removed From UK Travel Red List
SA Records 3 648 New COVID-19 Cases
Zuma Rescission Application Denied
State Capture Commission Seeks Another Extension
IEC Ready For Voter Registration Weekend