SIEM (Security Information and Event Management)
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In this presentation we cover basic knowledge about siem . -What is siem -How It works -Siem Process -Siem capabilities -Some snaps of VARNOIS(Tools that use for getting logs"LOGS aggregation" and then apply some machine algorithms to see about logs that logs are risky OR not). There are a lot of others vendors also who provided the tools for information and event management.like QRADAR is also one of the best tool by IBM.
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Technology
• For SOC Team members, technology is their weapon, they use it to collect
different type of logs (login events, activities etc).
• Team comprises of people uses least amount of resources to get good visibility into active and emerging
threats.
• Continuous consolidation of technologies and effectively organizing team is required
Host based Defence
• Host includes physical / virtual OS that are allocated to the employee of organization
• Enterprise majorly have the following OS’s:
• Windows
• Linux
• Mac
• Tools like OSQuery (cross-platform), Sysmon (Windows) etc can be used to collect
and transmit logs for analysing performance of hosts devices
Host Firewall - Windows
• Defender host firewall present in Win Vista, 7, 8, 10, 11 & server edition.
• It helps secure the devices by in-bound & out-bound rules.
• The rules states which network traffic can go in and out from the device
• Inbound Rules : Network traffic coming from the external device. Ex : Someone tries to
connect to FTP Server on host machine.
• Outbound rules : Network traffic originating from the host device. Ex : Host machine tries to
connect to a web server.
• Connection Rules : Used to filter the network traffic going in and out the host device
•Host Firewall – iptables
• Firewall utility that comes in-built in most Linux operating systems.
• It is a command line utility, that filters network traffic going-in or going-out of
the system.
• Iptables has 3 different chains, namely:
• Input : Controls incoming connections. Ex : SSH into host machine with iptables enabled
• Output : Controls outgoing connections. Ex : Sending ICMP packets to a destination
• Forward : Helpful during routing scenarios, utilizes traffic forwarding utilities to sent data
to destined address
• Connection Specific Responses
• ACCEPT : Allow the connection
• DROP : Drop the connection without sending any errors
• REJECT : Drop the connection but send back an error response
• Block connection from a range of IP address
Anti-Virus
• In General Terms, it is a computer program used to prevent, detect and remove malicious s/w.
• They continuously scan incoming files (coming to system from everywhere) and if any anomaly is
detected, it is quarantined / removed.
• The Landscape of security has moved a lot from focusing only a single device to end-point devices
like Cell-phone, Enterprise laptop, Tablet, Servers, Computers etc.
• End Point Security protects network, using a combination of FireWall, AntiVirus, Anti-Malware etc.
• They are explicitly designed for enterprise clients to protect all their endpoints devices like servers,
computers, mobile etc
• Understanding Naming Context, it is clear that EDR is a solution that
continuously monitors, stores endpoint-devices behaviour to detect and
block suspicious / malicious act
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מערכת ניהול לוגים אבטחת מידע, זיהוי חריגות ומרכז בקרה ודרכי פיתרון מומלצים, S...
מערכת ניהול לוגים אבטחת מידע, זיהוי חריגות ומרכז בקרה ודרכי פיתרון מומלצים, S...Sharon Chai-Matan http://cei.co.il/cloud-solutions/siem/
שירות SIEM-as-a-Service שיחד עם מרכז בקרה (SOC) מספק ללקוחות שלנו זיהוי בזמן אמת של אירועי אבטחת מידע ודרכי פיתרון מומלצים. המערכת מאפשרת זיהוי מיידי של חריגות בביצועי הרשת וכן התפרצויות של חריגות אבטחת מידע על בסיס ניתוח התנהגות הרשת.
ניטור הרשת 7 × 24, התראות בזמן אמת, תיקון עבור כל פעילות זדונית, זרימת עבודה וניהול אירוע משולב, דוחות הנדרשים לצורך עמידה בדרישות ISO, PCI, HIPAA, SOX ועוד, עלות חודשית נמוכה
היכנס לאתר שלנו והירשם לקבלת המערכת ל 30 ימי ניסיון בחינם
http://cei.co.il/cloud-solutions/siem/
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Presentation of Cisco Security Architecture and Solutions such as Cisco Advanced Malware Protection (AMP) and Cisco Umbrella during Simplex-Cisco Technology Session that took place at the Londa Hotel in Limassol on 14 March 2018.
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Pass4sure 640-554 Cisco IOS Network Security
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http://www.pass4surebraindumps.com/640-554.html
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SIEM (Security Information and Event Management)
- 2. WHAT IS SIEM LOG aggregation Centralized all security notifications from various security technology (Firewalls ,IDs ,IPs ,Antivirus console ,wireless active points and active directories). It all generate tons of notification every day. Siem allows you to centralize all logs in one place in set of report. Add a Footer 2
- 3. HOW IT WORKS Event management RULES • Repeat Attack-Login Source • Brute force attacks, Password guessing • Alert on 3 or more failed logins in 1 minute from a single host. • Active Directory, Syslog (Unix Hosts, Switches, Routers, VPN) 3 RULE GOAL Trigger Event
- 4. HOW IT WORKS N o t i f i c a t i o n Simply logged Written in report to be viewed later Immediate Attention 4 I n c i d e n t Sent by email / api How they can solve it
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- 10. THANK YOU 10