Get to know # Stephen Perciballi *** ** * ** *** Blogs by Stephen Perciballi Sort By: Recent Recent Popular *** ** * ** *** [![AutoFocus: Actionable Threat Intelligence Leads to Shorter Response Times](https://www2.paloaltonetworks.com/blog/wp-content/uploads/2015/10/blog-generic-banner.jpg)](https://www2.paloaltonetworks.com/blog/2016/10/autofocus-actionable-threat-intelligence-leads-shorter-response-times/) ## [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown) ### [AutoFocus: Actionable Threat Intelligence Leads to Shorter Response Times](https://www2.paloaltonetworks.com/blog/2016/10/autofocus-actionable-threat-intelligence-leads-shorter-response-times/) Following up on my initial post, AutoFocus: Your Answer to Actionable Threat Intelligence, this second post in the series provides another daily use case. Searching From Firewalls Something that happens from time ... Oct 18, 2016 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2016/08/autofocus-your-answer-to-actionable-threat-intelligence/) ## [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown) ### [AutoFocus: Your Answer to Actionable Threat Intelligence](https://www2.paloaltonetworks.com/blog/2016/08/autofocus-your-answer-to-actionable-threat-intelligence/) Threat intelligence involves learning about new attacks, adversaries, campaigns, and malware families through distinct pieces of information often referred to as indicators of compromise, or IOCs. The more we make relevant information ... Aug 23, 2016 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2016/03/the-power-of-palo-alto-networks-threat-prevention-across-the-cyberattack-lifecycle/) ## [Firewall](https://www.paloaltonetworks.com/blog/category/firewall/?ts=markdown), [Security Platform](https://www.paloaltonetworks.com/blog/category/security-platform/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ### [The Power of Palo Alto Networks Threat Prevention Across the Cyberattack Li...](https://www2.paloaltonetworks.com/blog/2016/03/the-power-of-palo-alto-networks-threat-prevention-across-the-cyberattack-lifecycle/) I recently shared examples of how App-ID and User-ID can dramatically reduce the attack surface and provide granular controls to allow exactly what traffic you want on your network. Permitting traffic based ... Mar 15, 2016 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2016/01/the-power-of-user-id/) ## [Firewall](https://www.paloaltonetworks.com/blog/category/firewall/?ts=markdown), [Security Platform](https://www.paloaltonetworks.com/blog/category/security-platform/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ### [The Power of User-ID](https://www2.paloaltonetworks.com/blog/2016/01/the-power-of-user-id/) Following up on our recent discussion of App-ID as critical for safely enabling applications, here we will cover a related feature: User-ID. Visibility is the foundation of what makes the Palo Alto ... Jan 21, 2016 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2016/01/the-power-of-app-id/) ## [Firewall](https://www.paloaltonetworks.com/blog/category/firewall/?ts=markdown) ### [The Power of App-ID](https://www2.paloaltonetworks.com/blog/2016/01/the-power-of-app-id/) App-ID is a critical feature of our next-generation firewall. It's one of the features, in fact, that lead to the market's acceptance of next-generation firewalls and established Palo Alto Networks as a ... Jan 04, 2016 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** Load more *** ** * ** *** Blogs by Stephen Perciballi Sort By: Popular Popular Recent *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2016/01/the-power-of-user-id/) ## [Firewall](https://www.paloaltonetworks.com/blog/category/firewall/?ts=markdown), [Security Platform](https://www.paloaltonetworks.com/blog/category/security-platform/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ### [The Power of User-ID](https://www2.paloaltonetworks.com/blog/2016/01/the-power-of-user-id/) Following up on our recent discussion of App-ID as critical for safely enabling applications, here we will cover a related feature: User-ID. Visibility is the foundation of what makes the Palo Alto ... Jan 21, 2016 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2015/09/network-ips-tuning-guide/) ## [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ### [Network IPS Tuning Guide](https://www2.paloaltonetworks.com/blog/2015/09/network-ips-tuning-guide/) Network intrusion prevention systems, referred to as IPSs, have long been considered a critical component of any network infrastructure. Here is how a network IPS works. Vulnerability-based protections detect and block exploit ... Sep 28, 2015 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2015/04/when-it-comes-to-networking-keep-it-simple/) ## [Cybersecurity](https://www.paloaltonetworks.com/blog/category/cybersecurity-2/?ts=markdown), [Firewall](https://www.paloaltonetworks.com/blog/category/firewall/?ts=markdown), [Next-Generation Firewalls](https://www.paloaltonetworks.com/blog/network-security/category/next-generation-firewalls/?ts=markdown) ### [When it Comes to Networking, Keep It Simple](https://www2.paloaltonetworks.com/blog/2015/04/when-it-comes-to-networking-keep-it-simple/) Networking is fun. It should also be pragmatic. The goal should be to get traffic from Point A to Point B as efficiently and securely as possible. There are many networks in ... Apr 27, 2015 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2016/03/the-power-of-palo-alto-networks-threat-prevention-across-the-cyberattack-lifecycle/) ## [Firewall](https://www.paloaltonetworks.com/blog/category/firewall/?ts=markdown), [Security Platform](https://www.paloaltonetworks.com/blog/category/security-platform/?ts=markdown), [Threat Prevention](https://www.paloaltonetworks.com/blog/category/threat-prevention-2/?ts=markdown) ### [The Power of Palo Alto Networks Threat Prevention Across the Cyberattack Li...](https://www2.paloaltonetworks.com/blog/2016/03/the-power-of-palo-alto-networks-threat-prevention-across-the-cyberattack-lifecycle/) I recently shared examples of how App-ID and User-ID can dramatically reduce the attack surface and provide granular controls to allow exactly what traffic you want on your network. Permitting traffic based ... Mar 15, 2016 By [Stephen Perciballi](https://www.paloaltonetworks.com/blog/author/stephen-perciballi/?ts=markdown "Posts by Stephen Perciballi") *** ** * ** *** [](https://www2.paloaltonetworks.com/blog/2015/08/design-correlation-rules-to-get-the-most-out-of-your-siem/) ## [Firewall](https://www.paloaltonetworks.com/blog/category/firewall/?ts=markdown), [Security Platform](https://www.paloaltonetworks.com/blog/category/security-platform/?ts=markdown) ### [Design Correlation Rules to Get the Most Out of Your SIEM](https://www2.paloaltonetworks.com/blog/2015/08/design-correlation-rules-to-get-the-most-out-of-your-siem/) Every networked environment generates thousands of logs from disparate systems. Individually, many of these events may seem worthless. But when looking for a specific needle in the haystack, these logs can be ... 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