Ex-Telstra boss Andy Penn says hostile nations are identifying key cyber vulnerabilities in businesses and posting it to the dark web
![Andrew Penn on Twitter: "Christmas with my lovely wife @kallieblauhorn and of course Mr Bennett who can never miss out. Merry Christmas everyone have a wonderful peaceful holiday with your families and Andrew Penn on Twitter: "Christmas with my lovely wife @kallieblauhorn and of course Mr Bennett who can never miss out. Merry Christmas everyone have a wonderful peaceful holiday with your families and](https://pbs.twimg.com/media/DvOxF65UcAAf7Lv.jpg)
Andrew Penn on Twitter: "Christmas with my lovely wife @kallieblauhorn and of course Mr Bennett who can never miss out. Merry Christmas everyone have a wonderful peaceful holiday with your families and
![Andy Penn, Telstra CEO | 'Flexibility is going to be crucial in the future' - Institute of Public Administration Australia (IPAA) Andy Penn, Telstra CEO | 'Flexibility is going to be crucial in the future' - Institute of Public Administration Australia (IPAA)](https://www.ipaa.org.au/wp-content/uploads/2020/10/Andy-Penn-post.jpg)