Top 8 Twitter Cybersecurity Influencers – 2020

Cybersecurity developments are alarming.  As the number of IoT and smart devices grows, so do the opportunities for hackers to plan and launch sophisticated attacks.

We chose these cybersecurity Influencers based on their deep understanding of cyber threats and vulnerabilities.  They cover a full spectrum of cybersecurity issues and will keep you well-informed on the latest news and industry trends.


Aleksandra Doniec (@Hasherezade)

Since her teens, Aleksandra Dniec (Hasherezade) has been passionate about IT. Having worked as a scientific researcher, C/C++ developer, pen-tester, and analyst, she has collected a wide range of experience, over the years, in the field of cybersecurity.

Currently, she spends her time analyzing malware, sharing knowledge about technical blog posts for Malwarebytes, speaking at conferences, and recording podcasts. 

We chose Hasherezade as she has a rich scientific background, is a brilliant software engineer, and tweets regularly about malware. Her tweets are knowledgeable and her research is groundbreaking – to top it off, people doubt she is a woman. So, let’s hear it for girl power! Currently, she has 45.8K followers.

costinCostin Raiu (@craiu)

Costin Raiu has over 24 years of experience in anti-virus technologies and specializes in analyzing advanced persistent threats, and high-level malware attacks. He leads the Global Research & Analysis Team (GReAT) at Kaspersky. Researching the inner workings of Stuxnet, Duqu, Carbanak, and more recently, Lazarus, BlueNoroff, Moonlight Maze and the Equation group. 

He is a member of the Virus Bulletin Technical Advisory Board, a member of the Computer AntiVirus Researchers’ Organization (CARO), and a reporter for the Wildlist Organization International

We chose Costin for his vast knowledge, inquisitive mind, and as he is a part of the Kaspersky team (producing brilliant reports and insights). His tweets reflect his extensive knowledge of antivirus technologies and security research. At present, he has 27.7K followers. 


Justin Seitz (@jms_dot_py)

Justin Seitz is an experienced cybersecurity expert and open-source intelligence practitioner. The Co-founder of Dark River Systems Inc., a Canadian security and intelligence company, he has deep experience in offensive cybersecurity operations, online intelligence gathering, and security software development.

He has provided advisory and investigation services to large enterprises. He is a contributor to the citizen journalism site Bellingcat, a member of the International Criminal Court’s Technical Advisory Board, and a Fellow at the Center for Advanced Defense Studies in Washington, DC.

We chose Justin as he is a well-rounded cybersecurity expert. His tweets are funny and insightful, and since Covid-19,  he also zeros in on the absurdity, complications, and inspiring times that we are now experiencing. Justin currently has 14.4K followers.

adamAdam Levin (@Adam_K_Levin)

Adam Levin is a nationally recognized expert on cybersecurity, privacy, identity theft, fraud, and personal finance. He has distinguished himself as a fierce consumer advocate for the past 40 years.

Former Director of the New Jersey Division of Consumer Affairs, Levin is Chairman and Founder of CyberScout and Co-founder of He is the author of the critically acclaimed book, Swiped: How to Protect Yourself in a World Full of Scammers, Phishers, and Identity Thieves.

We chose Adam for his vast experience, knowledgeable tweets, and realistic view of cybersecurity – in his words – `No matter how secure a company is, data breaches, compromises, and leaks are inevitable’. He currently has 47.8K followers.  

magdaDr. Magda Chelly, CISSP (@m49D4ch3lly)

Magda Chelly is leading Cyber Risk Consulting for Marsh Asia. She is the founder of the Women of Security (WoSEC) Singapore Chapter, where she encourages diversity and inclusion in the industry. She previously co-founded Responsible Cyber, an all-in-one cybersecurity shop for small and medium businesses. 

She has a PhD in Telecommunication Engineering, is a Certified Information Systems Security Professional (CISSP), and a Certified Information Security Officer (S-CISO). She held several Chief Information Security Officer roles for medium and large organizations across Asia and internationally. She built cyber security strategies for companies, and provided guidance, from governance and security architecture to security operations. She has a hands-on experience with penetration testing and technical cloud security across main cloud platforms (Amazon Web Services and Microsoft Azure). She has been nominated as a TOP 50 International cyber security influencer, internationally and 58 Women In Cybersecurity To Follow On Twitter

We chose Magda as her tweets are fresh, offering well-rounded information and she is a Cyber-feminist, her voice is strong and direct. She currently has 12.1K followers.

raj samaniRaj Samani (@Raj_Samani)

Raj Samani is a computer security expert working as the Chief Scientist and McAfee Fellow for the cybersecurity firm McAfee. Raj has assisted multiple law enforcement agencies in cybercrime cases and is a special advisor to the European Cybercrime Centre (EC3) in The Hague.

Raj has been recognized for his contribution to the computer security industry through numerous awards, including the Infosecurity Europe Hall of Fame, Peter Szor Award, and Intel Achievement Award, among others. Raj is also the co-author of the book `CSA Guide to Cloud computing: Applied Cyber Security and the Smart Grid’,  as well as a technical editor for numerous other publications.

We chose Raj as one of our top influencers for his substantial and broad experience and his unabashed passion for cybersecurity. He currently has 29.5K followers.

chrisChris Parker (@chrispcritters)

Chris Parker created, the number one website in the world for looking up an IP address. Over time and much to his surprise, the entire world started visiting the website—first by the thousands, then by the millions. Today, is one of the top 3,000 sites in the United States, with more than six million visitors monthly.

We chose Chris as his tweets are a lot about the scam and fraud prevention, IP address tools, and insights. His tweets include down-to-earth industry news, and easy to understanding, (even if you are not a highly technical person) advice and news. Currently, Chris has 24.1K followers.

matthew princeMatthew Prince (@eastdakota)

Cloudflare Founder and CEO Matthew Prince caught the tech bug early and wrote his college thesis on “Why the Internet is a Fad.” In 2011, Matthew along with Lee Holloway and Zatlyn launched Cloudflare, whose mission is to build a better internet. Today, the company runs one of the world’s largest networks, which spans more than 194 cities in 90 countries with 2.5 billion unique visitors a month and over 7 million customers.

When he talks about the security challenges with the internet, we sense the passion to make it a safe place and future-ready.  His tweets and retweets include information about Cloudflare but also include his personal voice and opinions. He currently has 42.7K followers

About MazeBolt

Israel-based MazeBolt is an innovation leader in cybersecurity, with over two decades of experience in pioneering DDoS protection solutions. The company’s new flagship product, RADAR™, is a patented, new technology. It offers DDoS protection through automated DDoS simulations on live production, with zero downtime. Working in conjunction with any mitigation solution installed. Its unique capabilities have ensured business continuity and full DDoS security posture for enterprises worldwide including Fortune 1000 & NASDAQ-listed companies. 

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