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Emotet: A Year in the Life of a Malware

The Akamai Blog
5 years 1 month ago
Emotet malware has been around since 2014, but 2020 saw a resurgence of attacks. In September 2020, Emotet affected 14% of organizations worldwide. So, what is Emotet? And why is it so dangerous?
Jim Black

linux内核(5.4.81)---内存管理模块源码分析

povcfe
5 years 1 month ago
已投稿于安全客 页表 1.1. 页表查询–以x86_64下的4级页表举例(硬件) 1.1.1. TLB转换 1.1.2. 页表转换 1.1.3. 页表结构cache转换 1.2. 拓展 1.2.1. 普通页表cache 1.2.2. Huge_Page 1.2.3. 页表标志位 伙伴算法(buddy) alloc_pages源码分析 3.1. alloc_pages_current 3.2. __alloc_pages_nodemask 3.2.1. get_page_from_freelist 3.2.2. _alloc_pages_slowpath _free_pages源码分析 4.1. free_unref_page 4.1.1. free_pcppages_bulk 4.2. __free_pages_ok 4.2.1. __free_one_page slub算法 5.1. 结构体解析 kmem_cache_alloc源码分析 6.1. __slab_alloc 6.1.1. get_freelist kmem_cache_free源码分析 7.1. cache_from_obj 7.2. slab_free_freelist_hook 7.3. do_slab_free 7.3.1. __slab_free 进程vma 8.1. vm_area_struct 结构体 8.2. find_vma(vma查找) 8.2.1. vmacache_find 8.3. insert_vm_struct(vma插入) 8.3.1. find_vma_links 8.3.2. 红黑树规则 缺页中断 9.1. __do_page_fault源码分析 9.

Gamifying Security with Red Team Scores

Embrace The Red
5 years 1 month ago

Security metrics are an interesting topic.

Over the years I used “scores” as a tool to identify and shine light on problematic areas or highlight lack of engineering and security quality of certain teams.

A security score should not seen as an objective or absoulte measure, but it allows to compare systems with each other at a relative scale, and by sharing the score it makes people ask questions.

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