A new Carbon Black study confirms the rise of supply chain attacks. The report found that about half of cyber-attacks involve “island hopping” techniques that are used to indirectly target high-value companies by infecting their supply chain partners.

Island hopping is most common in the financial (47%) manufacturing (42%) and retail (32%) sectors. 44% of companies said that the main difficulty in protecting against supply chain attacks is a lack of visibility.

Read more: Half of Cyber-Attacks Involve the Supply Chain