Cisco stands on guard with our customers in Ukraine

Summary◉ As the Russia-led invasion intensifies, Ukraine is being attacked by bombs and bytes. Cisco is working around the clock on a global, company-wide effort to protect our customers there and ensure that nothing goes dark.◉ Cisco Talos has taken the extraordinary step of directly operating security products 24/7...

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Threat Protection: The REvil Ransomware

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The REvil ransomware family has been in the news due to its involvement in high-profile incidents, such as the JBS cyberattack and the Kaseya supply chain attack. Yet this threat carries a much more storied history, with varying functionality from one campaign to the next.The threat actors behind...

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Threat Trends: DNS Security, Part 1

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Part 1: Top threat categoriesWhen it comes to security, deciding where to dedicate resources is vital. To do so, it’s important to know what security issues are most likely to crop up within your organization, and their potential impact. The challenge is that the most active threats change...

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Threat Landscape Trends: Endpoint Security, Part 1

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Part 1: Critical severity threats and MITRE ATT&CK tacticsIn the ongoing battle to defend your organization, deciding where to dedicate resources is vital. To do so efficiently, you need to have a solid understanding of your local network topology, cloud implementations, software and hardware assets, and the security...

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