Anchors Aweigh: Cybersecurity Becomes Shipping’s Digital Lifeline

By Frank Jones, CISSP   Published: 03/25/25   Updated: 10/29/26   3 min read

Anchors Aweigh: Cybersecurity Becomes Shipping’s Digital Lifeline

At a glance

Ships as networked targets

Shipping has gone digital fast. Charts, engine controls, port bookings and cargo manifests all run through software now, and most of it connects to shore. That has made the industry more efficient. It has also put a sector that moves most of the world’s goods within reach of criminals and state hackers, and recent incidents show how thin some of its defenses are.

How the threats reached the fleet

Cyber attacks used to be a problem for the office. They now reach fleets and ports too. Security researchers have warned for years that attacks on the sector are getting more sophisticated, and shipping’s tangle of connected systems makes it an attractive target for espionage, ransom or sabotage.

An attacker who can tamper with navigation systems or cargo manifests can cause real economic and environmental harm. Maersk learned this when an attack disrupted operations at 76 ports worldwide and cost the company hundreds of millions of dollars.

What the IMO requires

The International Maritime Organization (IMO) responded with guidelines on maritime cybersecurity. Member States were expected to build them into their legal frameworks by the start of 2021, and they require operators to identify known vulnerabilities and reduce them.

Governments, shipping firms and security specialists also work together more than they used to. The Oil Companies International Marine Forum (OCIMF) and the Baltic and International Maritime Council (BIMCO) have both run programs to spread best practices and raise awareness among crews and operators.

How carriers are responding

Shipping companies have started building security into their operations instead of bolting it on afterward. Maersk, the most visible victim, has invested in new defenses and outside expertise to protect its systems.

Some firms are also testing artificial intelligence and machine learning to spot threats early. Security vendors have begun building products for ships and terminals specifically, since office tools often fit poorly on a vessel with patchy connectivity and decades-old equipment.

Sharing what works

Industry forums, regional partnerships and cross-sector groups now play a large part in this. They let companies compare notes on incidents and agree on common standards, which matters in a business where one weak link in a port or partner can stall a whole supply chain.

Where shipping security goes from here

The industry is at a turning point. New technology helps, but crews and managers also have to treat cyber risk as part of everyday seamanship. Shared standards, steady investment and attention from the bridge to the boardroom will decide how well fleets hold up.

Shipping companies that treat security as a business priority will be better placed to keep cargo moving when the next attack comes.

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Frank Jones, CISSP

Frank Jones has loved computers from the age of 13. Frank got his hacking career started when he downloaded a war dialing program that he used to detect dial up modems in his hometown of Chicago. Frank Jones now works as a JAVA coder and cyber security researcher.