Intelligent CISO Issue 29 | Page 29

A? JAMIE HUMPHREY, MD A/NZ AT CLOUD DATA MANAGEMENT COMPANY, RUBRIK s production line processes are increasingly automated and data-driven, Australian manufacturers have become a favourite target of ransomware attackers as these processes can only work with stable and consistent access to data. As data is the lifeblood of many manufacturers, this makes the industry very attractive to ransomware groups. A number of Australian manufacturers have fallen victim this year alone. BlueScope’s Australian manufacturing operations were impacted due to a ransomware attack, as were those of beverage giant, Lions, which warned of beer shortages while it fought to return operations to normal. Further, the logistics processes of Toll Group ground to a halt in the wake of two consecutive ransomware attacks earlier this year. In a ransomware attack, hackers aim to trick an employee into opening a malicious email that executes a piece of malware which encrypts as much of a business’ data as it can. The attackers then demand the business pays a ransom, typically in Bitcoin or another cryptocurrency, in order to retrieve their files. These types of attacks are extremely popular because they require little specialised knowledge (complete, ready-to-go Ransomware-as-a-Service kits are easily available on the Deep and Dark Web), they have debilitating consequences for the victim and – as the recent breaches highlight – they’re often successful. In fact, according to a new report, ransomware attacks are estimated to have cost Australian businesses up to AUD240 million in 2019 alone. Rather than face losing weeks of production, many might simply bite the editor’s question With a comprehensive backup strategy, businesses can simply turn back the clock and continue production as if the attack never occurred. bullet and pay the ransom to have their data restored. Paying attackers to restore data, however, is a huge gamble. In fact, the Federal Government’s Australian Signals Directorate explicitly recommends against it. Although there is no straight answer to protect against falling victim to ransomware, there are strategies to ensure the disruption to business in the event of an attack is minimised. Foremost among them is restoring operations from backup data. Maintaining frequent backups is recommended by both the Australian Cybersecurity Center and the Australian Signals Directorate as a way to guard against ransomware attacks. The more often critical data is backed up, the easier it is to restore operations from a point in time just prior to the infection. In other words, with a comprehensive backup strategy, businesses can simply turn back the clock and continue production as if the attack never occurred. The more frequently data snapshots are taken, the quicker services can return to normal. www.intelligentciso.com | Issue 29 29