Holy Grail of Security: Answer to ‘Did X Work?’ – Podcast

Get a glass. Pour in one shot of VERIS, aka the Vocabulary for Event Recording and Incident Sharing engine that generates Verizon’s funny, well-written, incredibly useful, annual Database Investigations Report DBIR. Next, add a shot of MITRE ATT&CK: the curated knowledge repository of reported...

FBI Releases Indicators of Compromise Associated with Hive Ransomware

The Federal Bureau of Investigation FBI has released a Flash report detailing indicators of compromise IOCs and tactics, techniques, and procedures TTPs associated with ransomware attacks by Hive, a likely Ransomware-as-a-Service organization consisting of a number of actors using multiple...

Effective Threat-Hunting Queries in a Redacted World

A decade ago, hunting for adversary infrastructure was often as simple as monitoring a domain registrant’s name or phone number in public WHOIS records. As bad actors have moved first toward privacy protection services and then gained further obscurity behind laws such as the General Data...

Dogged Persistence -- The Name of the Game for One DDoS Attacker

With DDoS, we typically observe a moderate degree of attacker persistence. DDoS attacks are relatively easy to launch from a number of online booter services, and the availability of cryptocurrencies for payment has made it easy to remain anonymous. Attackers can try their hand at DDoS for little...

Attackers use Morse code, other encryption methods in evasive phishing campaign

Cybercriminals attempt to change tactics as fast as security and protection technologies do. During our year-long investigation of a targeted, invoice-themed XLS.HTML phishing campaign, attackers changed obfuscation and encryption mechanisms every 37 days on average, demonstrating high motivation...

Imperva mitigated its largest attack as a provider of DDoS protection

In July, Imperva mitigated its largest attack as a provider of DDoS protection, and one of the largest DDoS attacks so far in 2021. The attack lasted for 40 minutes and generated a massive throughput of 1.02 terabytes per second Tbps and 155 million packets per second Mpps. Imperva also mitigated...

Combing through the fuzz: Using fuzzy hashing and deep learning to counter malware detection evasion techniques

Today’s cybersecurity threats continue to find ways to fly and stay under the radar. Cybercriminals use polymorphic malware because a slight change in the binary code or script could allow the said threats to avoid detection by traditional antivirus software. Threat actors customize their wares...

Awesome-Red-Teaming

This is an offensive tool for Red Teaming. It is a list of resources for anyone wishing to learn about Red Teaming, including initial access, execution, persistence, privilege escalation, defense evasion, credential access, discovery, lateral movement, collection, exfiltration, command and contro...

Nasty macOS Malware XCSSET Now Targets Google Chrome, Telegram Software

A malware known for targeting macOS operating system has been updated once again to add more features to its toolset that allows it to amass and exfiltrate sensitive data stored in a variety of apps, including apps such as Google Chrome and Telegram, as part of further "refinements in its tactics...

[eBook] A Guide to Stress-Free Cybersecurity for Lean IT Security Teams

Today's cybersecurity landscape is enough to make any security team concerned. The rapid evolution and increased danger of attack tactics have put even the largest corporations and governments at heightened risk. If the most elite security teams can't prevent these attacks from happening, what ca...

Tactics, Techniques, and Procedures of Indicted APT40 Actors Associated with China’s MSS Hainan State Security Department

Summary This Joint Cybersecurity Advisory was written by the Federal Bureau of Investigation FBI and the Cybersecurity and Infrastructure Security Agency CISA to provide information on a Chinese Advanced Persistent Threat APT group known in open-source reporting as APT40. This advisory provides...

Significant Historical Cyber-Intrusion Campaigns Targeting ICS

Protecting our Nation’s critical infrastructure is the responsibility of federal and state, local, tribal, and territorial SLTT governments and owners and operators of that infrastructure. The cybersecurity threats posed to the industrial control systems ICS that control and operate critical...

16 Cybercriminals Behind Mekotio and Grandoreiro Banking Trojan Arrested in Spain

Spanish law enforcement agencies on Wednesday arrested 16 individuals belonging to a criminal network in connection with operating two banking trojans as part of a social engineering campaign targeting financial institutions in Europe. The arrests were made in Ribeira A Coruña, Madrid, Parla and...

#NoFilter: Exposing the Tactics of Instagram Account Hackers

What tactics do Instagram account hackers use? What do these cybercriminals do with stolen accounts? How can users protect their accounts? We look into Instagram account hacking incidents from a security researcher’s perspective and share recommendations for users of Instagram and other social...

MITRE ATT&CK® mappings released for built-in Azure security controls

The Security Stack Mappings for Azure research project was published today, introducing a library of mappings that link built-in Azure security controls to the MITRE ATT&CK® techniques they mitigate against. Microsoft once again worked with the Center for Threat-Informed Defense and other Center...

MITRE ATT&CK® mappings released for built-in Azure security controls

The Security Stack Mappings for Azure research project was published today, introducing a library of mappings that link built-in Azure security controls to the MITRE ATT&CK® techniques they mitigate against. Microsoft once again worked with the Center for Threat-Informed Defense and other Center...

Protecting Against Recent Ransomware Attacks

Modern ransomware attacks targeting large enterprises continue to evolve from double to triple or even quadruple extortion tactics. Discover how to stay one step ahead with our case study of the ransomware family, Nefilim...

Strategies, tools, and frameworks for building an effective threat intelligence team

How to think about building a threat intelligence program The security community is continuously changing, growing, and learning from each other to better position the world against cyber threats. In the latest Voice of the Community blog series post, Microsoft Product Marketing Manager Natalia...

Strategies, tools, and frameworks for building an effective threat intelligence team

How to think about building a threat intelligence program The security community is continuously changing, growing, and learning from each other to better position the world against cyber threats. In the latest Voice of the Community blog series post, Microsoft Product Marketing Manager Natalia...

Avaddon Ransomware Gang Evaporates Amid Global Crackdowns

Ransomware group Avaddon has decided to shutter its criminal enterprise after landing in the crosshairs of law-enforcement agencies in the U.S. and Australia. Avaddon, a prolific ransomware-as-a-service RaaS provider, released its decryption keys to BleepingComputer — 2,934 in total — with each k...