Malware sophistication is increasing as adversaries begin to weaponize cloud services and evade detection through encryption, used as a tool to conceal command-and- control activity.
To reduce adversaries’ time to operate, security professionals said they will increasingly leverage and spend more on tools that use AI and machine learning, reported in the 11 th Cisco 2018 Annual Cybersecurity Report (ACR). While encryption is meant to enhance security, the expanded volume of encrypted global web traffic (50 percent as of October 2017) — both legitimate and malicious — has created more challenges for defenders trying to identify and monitor potential threats.
Cisco threat researchers observed more than a threefold increase in encrypted network communication used by inspected malware samples over a 12-month period globally. Applying machine learning can help enhance network security defenses and, over time, “learn” how to automatically detect unusual patterns in encrypted web traffic, cloud, and IoT environments.
Some of the 3,600 chief information security officers (CISOs) interviewed globally for the Cisco 2018 Security Capabilities Benchmark Study report, stated they were reliant and eager to add tools like machine learning and AI, but were frustrated by the number of false positives such systems generate. While still in its infancy, machine learning and AI technologies over time will mature and learn what is “normal” activity in the network environments they are monitoring.
“In today’s zero perimeter world, where data is everywhere, defenders need to relook at cybersecurity from strategic point of view. It is important that security adopts new tools like Artificial Intelligence, Machine learning and incorporate best strategies to mitigate risks,”said Vishak Raman, Director, Security Sales, Cisco India & SAARC.
“Last year’s evolution of malware shows adversaries are becoming wiser at exploiting undefended gaps in security,” said John N. Stewart, Senior Vice President and Chief Security and Trust Officer, Cisco. “Like never before, defenders need to make strategic security improvements, technology investments, and incorporate best practices to reduce exposure to emerging risks.”
Cisco 2018 Annual Cybersecurity Report Additional Highlights (India Findings)
? The financial cost of attacks is no longer a hypothetical number:
According to study respondents, more than half of all attacks resulted in financial damages of more than US$500,000, including, but not limited to, lost revenue, customers, opportunities, and out-of- pocket costs
? Supply chain attacks are increasing in velocity, complexity
These attacks can impact computers on a massive scale and can persist for months or even years. Defenders should be aware of the potential risk of using software or hardware from organizations that do not appear to have a responsible security posture.
o Two such attacks in 2017, Nyetya and Ccleaner, infected users by attacking trusted software.
o Defenders should review third-party efficacy testing of security technologies to help reduce the risk of supply chain attacks.
? Security is getting more complex, scope of breaches is expanding
Defenders are implementing a complex mix of products from a cross-section of vendors to protect against breaches. This complexity and growth in breaches has many downstream effects on an organization’s ability to defend against attacks, such as increased risk of losses.
o In 2017, 30 percent of security professionals said they used products from 25 to 50 vendors.
o Security professionals said 54 percent of breaches affected more than half of their systemsin 2017.
? Security professionals see value in behavioral analytics tools in locating malicious actors in networks
o 67 percent of security professionals said behavior analytics tools work well.
? Use of cloud is growing; attackers taking advantage of the lack of advanced security
o In this year’s study, 20 percent of security professionals said they are using off- premises private clouds
o Among them, 64 percent said they host networks in the cloud because of better data security; 42 percent, because of scalability; and 50 percent, because of ease of use.
o While cloud offers better data security, attackers are taking advantage of the fact that security teams are having difficulty defending evolving and expanding cloud environments. The combination of best practices, advanced security technologies like machine learning, and first-line- of-defense tools like cloud security platforms can help protect this environment.
? Trends in malware volume have an impact on defenders’ time to detection (TTD)
o The Cisco median TTD of about 4.6 hours for the period from November 2016 to October 2017 — well below the 39-hour median TTD reported in November 2015, and the 14-hour median reported in the Cisco 2017 Annual Cybersecurity Report for the period from November 2015 to October 2016.
o The use of cloud-based security technology has been a key factor in helping
Cisco to drive and keep its median TTD to a low level. Faster TTD helps defenders move sooner to resolving breaches.
Additional Recommendations for Defenders:
? Confirm that they adhere to corporate policies and practices for application, system, and appliance patching.
? Access timely, accurate threat intelligence data and processes that allow for that data to be incorporated into security monitoring.
? Perform deeper and more advanced analytics.
? Back up data often and test restoration procedures, processes that are critical in a world of fast-moving, network-based ransomware worms and destructive cyber weapons.
? Conduct security scanning of microservice, cloud service, and application administration systems.
About the Report:
The 11th annual Cisco 2018 Annual Cybersecurity Report highlights findings and insights derived from threat intelligence and cybersecurity trends observed over the past 12-18 months from threat researches and six technology partners: Anomali, Lumeta, Qualys, Radware, SAINT, and TrapX. Also, included in the report are results of the annual Security Capabilities Benchmark Study (SCBS), which this year surveyed 3,600 chief security officers (CSOs) and security operations (SecOps) managers from 26 countries about the state of cybersecurity in their organizations.
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