Tech

Network resilience combines security and data protection


“Triple Blackmail” or “Fourfold Blackmail” attacks, which incorporate additional distributed denial-of-service (DDoS) attacks or threats against third parties, are also now part of the modern risk landscape, according to Alexander Applegate of cybersecurity firm ZeroFox.

Meanwhile, targeted attacks have also become so commonplace that they are virtually guaranteed. According to a Sophos Survey 202266% of companies experienced a ransomware attack in the last year, almost double the 2020 figure. Corporate Strategy Group (ESG) 2022 report gives a figure of 79% of organizations affected last year.

ESG practice director and senior analyst Christophe Bertrand further emphasizes this: “I question the 21% of people who said they didn’t experience an attack, because I think the ransomware virus might not work. in their system.”

Ransomware attacks are becoming more and more malicious

Ransomware threats have become more deadly in many ways: attacks are on the rise, cybercriminals are demanding more ransoms, successful intrusions are being leveraged to infiltrate multiple streams of data. Data and attacks are spreading beyond the IT system into the critical infrastructure needed for business operations.

One Sophos .’s 2022 report identified a new trend: the franchise (“ransomware-as-a-service”) business model in which gangs sell ransomware suites to other cybercriminals who carry out attacks public and then return part of the proceeds to the gang. “When the ransomware starts, a small business picks up non-savvy users and will likely pay several hundred dollars to get their data back,” said Hu Yoshida, chief technology officer at Hitachi Vantara. “But now the game has changed dramatically.”

The utility industry has become an attractive target, as disruptions to electricity, water or critical infrastructure could be detrimental to the public. The 2021 ransomware attack against Colonial Pipeline, for example, has fueled gas shortages in the northeastern United States. And even though Colonial Pipeline paid $4.4 million in ransom, the decryption tool provided by the hackers was so ineffective that the company eventually had to use its own business continuity system to slow it down. restore and work.

Governments and public services have also become targets of ransomware. One Report of the United States Senate Committee documented more than 2300 known ransomware attacks on local governments, schools, and healthcare providers in the United States in 2021. In April and May 2022, a series of ransomware attacks crippled dozens of Costa Rican government agencies, including the Ministry of Finance and the Department of Social Security. system, prompting the president to declare a national emergency.

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This content is produced by Insights, the custom content arm of MIT Technology Review. It was not written by the editorial board of the MIT Technology Review.

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