MailChimp Under Attack: How Cybercriminals Are Exploiting Email Marketing Platforms

At Constella, we’ve spent years analyzing how cybercriminals execute attacks that affect organizations of all sizes, whether they’re startups, local businesses, or global enterprises. One of the most revealing recent cases involves the abuse of Email Marketing Platforms like MailChimp, whose accounts are being compromised through account takeover (ATO), phishing, and social engineering tactics. These […]

The MSSP Advantage: Elevating Executive Digital Risk Protection in 2025

For Managed Security Service Providers (MSSPs), cybersecurity isn’t just about protecting networks and endpoints anymore. As businesses become more digitally connected, security threats are shifting beyond the enterprise perimeter – targeting the people at the top. Executives, board members, and other high-profile leaders are increasingly at risk of phishing attacks, impersonation scams, and dark web […]

The Digital Executive: How to Protect Your Personal and Professional Digital Footprint

Executives today operate in an increasingly connected world, where their digital presence is often as visible as their professional reputation. From corporate bios and media interviews to personal social media activity, an executive’s digital footprint is extensive –and, if left unprotected, a cyber and physical security risk. Recent high-profile incidents, including the tragic killing of […]

How Ransomware Attacks Dismantled a 150-Year-Old Company: The Knights of Old Case

In today’s digital age, ransomware attacks have escalated to unprecedented levels, threatening businesses of all sizes and industries. The attack on the British logistics firm Knights of Old Group (KNP Logistics) in 2023 is a grim reminder of how devastating these attacks can be. Once a thriving company with a 150-year legacy, Knights of Old […]

The Expanding Threat of Financial Hacks: Beyond Financial Accounts

While many associate financial hacks with stolen funds, recent incidents reveal a more complex landscape. Cybercriminals are increasingly targeting confidential employee information, which can lead to tailored phishing attacks, extortion, reputational harm, and internal disruptions within financial institutions. This blog continues our previous exploration of cybersecurity challenges in the banking and financial sector, focusing on […]

Managing Risks: Executive Protection in the Digital Age

The recent incident involving the United Healthcare CEO has sparked critical conversations in corporate boardrooms about the evolving threat landscape and the importance of robust security measures centered around executive protection. The incident has illuminated a stark and unsettling reality: the threat landscape for senior executives is evolving in ways that demand immediate attention and […]

The Evolving Threat of Cookie Session Hijacking: How Infostealers Enable Advanced Cyberattacks

Cyberattacks are becoming increasingly sophisticated, with cookie session hijacking emerging as a significant threat. This technique allows attackers to bypass even advanced security measures like multi-factor authentication (MFA), enabling unauthorized access to critical systems and user accounts. Infostealers, a category of malware designed to harvest sensitive information, have become a primary tool for conducting these […]

The Persistent Threat of Ransomware and How Businesses Can Protect Themselves

Introduction: Ransomware Landscape for Businesses In recent years, ransomware has become one of the most pervasive cybersecurity threats, inflicting substantial losses on businesses globally. With an increasing number of organizations, from manufacturing to healthcare, falling victim to cyber extortion schemes, attackers are evolving their strategies to maximize impact. Notably, many of these attacks leverage infostealers—a […]

NIST Updated Standards for a Secure Password

Your internet account passwords are probably among the most guarded pieces of information you retain in your brain. With everything that has recently migrated to the digital realm, a secure password functions as the deadbolt to your private data.. Hackers understand how valuable this personal data is, and so Account Takeover Attacks—where malicious actors gain […]

The Future of Identity Protection: Real-Time Threats and Scams

In today’s digital landscape, protecting your identity from real-time threats is more critical than ever. As a cybersecurity expert, I’ve seen an evolving spectrum of threats that go far beyond traditional identity theft. From classic dark web doxing to the advent of fullz—full identity kits sold for a few dollars—threat actors are leveraging these methods […]

Inside the Dark Web: How Threat Actors Are Selling Access to Corporate Networks

In recent weeks, underground forums on the dark web have continued to flourish as bustling marketplaces where cybercriminals sell unauthorized access to corporate networks. From VPN credentials to Remote Desktop Protocol (RDP) access, threat actors take advantage of compromised corporate environments, often leveraging data from recent breaches or stolen via infostealers. This analysis highlights the […]

Escalation of Cyber Warfare in the Israel-Palestine Conflict: A Deep Dive into Recent Israeli Breaches

The geopolitical conflict between Israel and its adversaries has shifted into the digital sphere, where sophisticated cyberattacks have become a primary tool for targeting critical sectors. In recent months, cyberattacks have exposed Israeli defense data, diplomatic communications, and sensitive civilian information. Among the prominent players in this cyberwarfare is the Handala Group, a hacktivist entity […]