Technology McAfee report shows rise in cyber-attacks, as cloud services use goes up during COVID-19 Updated : May 28, 2020 06:22 AM IST External attacks on cloud accounts grew 630 percent from January to April. Overall enterprise use of cloud services increased by 50 percent over the same period. Cisco WebEx, Zoom, Microsoft Teams and Slack saw an increase of up to 600 percent in usage, led by the education sector, over the same period. Subscribe to Moneycontrol PRO at just Rs.33/- per month for the first year. Use code SUPERPRO. Limited period offer. Available on Web and Android.