Cloud Security: Defense in Detail if Not in Depth

Executive Summary (CONTINUED) And while these are their biggest concerns, the 20% who experienced breaches said their top incidents involve downtime/inaccessibility (such as might be expected from ransomware and DDoS), followed by poor configurations and account or credential hijacking. Respondents also still feel as though they lack visibility, auditability and effective controls to actually monitor everything that goes on in their public clouds. We are, however, seeing increased use of security controls within cloud provider environments and wider use of security-as-a-service (SecaaS) solutions to achieve in-house and external security and compliance requirements. These, along with other findings and best practices that work for survey takers, are discussed in the following report. SANS ANALYST PROGRAM 2 Cloud Security: Defense in Detail if Not in Depth State of Cloud Computing The perspectives presented here represent the experiences of a respondent pool that came from a mix of small organizations (50% employing 2,000 employees or fewer), mid-sized (31% employing 2,001–5,000 employees) and larger organizations (19% employing more than 15,000). Respondents came from a wide range of industries, including technology, cyber security, banking and finance, and government, among many others. The largest portion (22%) were security analysts, with 50% of the sample coming from cyber security roles and the remainder coming from predominately IT roles, with some business unit representation. Although respondents reported doing business in multiple global areas, they are largely based in the United States and Europe. For additional detail, please see Appendix A, “Respondents to This Year’s Survey.” Adoption of cloud computing is becoming so pervasive we didn’t want to ask respondents if they were following suit, as we had in the past. Instead we asked whether the number of business applications and mission-critical business applications they deploy in the cloud continues to grow. Pervasive Usage A small number (7%) said they expect to double the number of business applications they maintain in the cloud; an even smaller number (6%) predicted they would double the number of mission-critical applications. Most respondents said they expect growth of up to 10% in both mission-critical and non–mission-critical applications. But clearly the trend among respondents is to move more applications into the cloud. Table 1 offers more detail. Table 1. Frequency of Cloud Usage for Applications Type of Application Increase by Increase by Increase by Increase by 100% 70% to 90% 40% to 60% 30% No Change Decrease Mission-Critical Applications 6.3% 1. 9% 15.2% 43.1% 32.3% 1.3% Applications Overall 7.4% 4.3% 24.7% 44.5% 17.3% 1.9% Business applications and data are most frequently hosted in the cloud, with 96% reporting their organizations are using business applications in private and public clouds. Workforce applications such as Dropbox, designed to help employees access an organization’s systems more efficiently, came in second, with a nod from 84% of respondents. Cloud-based disaster recovery and backup services were big as well, showing up in 84% of responses, up from 80% in 2016. SANS ANALYST PROGRAM 3 Cloud Security: Defense in Detail if Not in Depth
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