1. What are some commonly used threat intelligence platforms?

Here’s the restructured list of threat intelligence platforms, organized by region:

MISP
- https://misp-project.org/
OpenCTI
- https://www.opencti.io/
EclecticIQ
- https://www.eclecticiq.com/
Kaspersky Threat Intelligence
- https://www.kaspersky.com/
ESET Threat Intelligence
- https://eti.eset.com/
ACTIX
- Project page: https://www.digitalsecuritycatalyst.com/actix
IntelliCloak
- This is an EU project that enhances MISP. The project website can be found here: https://aegisresearch.eu/
CTI-AI Project
- https://www.eclecticiq.com/ (Project page is hosted on EclecticIQ's website)
SOCCER Project
- https://soccer.sztaki.hun-ren.hu/
CounteR
- https://counter-project.eu/

Security Vision TIP
- https://www.securityvision.ru/
Sber X-Threat Intelligence Platform
- https://www.sberbank.ru/
Gard TI Feeds
- https://garda.ai/products/network-security/threat-intelligence

ThreatBook (微步在线)
- https://x.threatbook.cn/
Qi‑AnXin TI (奇安信威胁情报)
- https://ti.qianxin.com/
NSFOCUS TI (绿盟科技)
- https://nti.nsfocus.com/apt/home
360 TI (360数字安全)
- https://ti.360.net/
Tencent Threat Intelligence (腾讯威胁情报)
- https://cloud.tencent.com/product/tae
Venusense Threat Intelligence (启明星辰)
- https://www.venuseye.com.cn/
DBAPPSecurity (安恒信息)
- https://ti.dbappsecurity.com.cn/
Sangfor (深信服)
- https://ti.sangfor.com.cn/
Antiy (安天)
- https://www.antiycloud.com/
Rising Threat Intelligence (瑞星)
- https://ti.rising.com.cn/
Kingsoft Eagle Eye (金山鹰眼)
- https://ti.duba.net/
Huawei Threat Intelligence (华为)
- https://www.huaweicloud.com/
Aliyun Threat Intelligence (阿里云)
- https://www.aliyun.com/
Tianji Youmeng RedQueen (天际友盟)
- https://redqueen.tj-un.com/
NVDB (国家信息安全漏洞共享平台)
- https://www.nvdb.org.cn/

Apura BTTng
- https://apura.com.br/
BRIntelcollector
- GitHub repository: https://github.com/devfoundsec/BRIntelcollector
Axur
- https://www.axur.com/
OpenCTI.BR
- This is a community CTI deployment. The main OpenCTI website is https://www.opencti.io/.

MISP
- https://misp-project.org/
OpenCTI
- https://www.opencti.io/
CRITIFENCE ThreatCrowd
- The ThreatCrowd community page can be found here: https://www.maltego.com/
IntelMQ
- https://docs.intelmq.org/
Yeti
- https://yeti-platform.io/