| Do you need a downgrade first? | Web | 50 |  | 
						
							
								| Life Advice | Miscellaneous | 250 |  | 
						
							
								| Unicode Interstellar | Crypto | 100 |  | 
						
							
								| Exfiltration can be hidden anywhere | Network | 100 |  | 
						
							
								| X-ping-tration | Network | 100 |  | 
						
							
								| Network technician superhero | Network | 100 |  | 
						
							
								| Obscure Exfiltration - Part 4 | Miscellaneous | 350 |  | 
						
							
								| Over | Reversing | 100 |  | 
						
							
								| Hiding in plain sight | Puzzle | 100 |  | 
						
							
								| Root Zone ccTLD Walk [part 2/2] | DNS | 150 |  | 
						
							
								| Simple Steganography 1 | Remediation | 100 |  | 
						
							
								| Operation Dry Pipe (4/4) | Legal | 50 |  | 
						
							
								| Operation Dry Pipe (3/4) | Legal | 50 |  | 
						
							
								| Ransomware Attack at Global Oil Corporation (5/5) | Legal | 50 |  | 
						
							
								| Ransomware Attack at Global Oil Corporation (2/5) | Legal | 50 |  | 
						
							
								| Ransomware Attack at Global Oil Corporation (1/5) | Legal | 50 |  | 
						
							
								| Ransomware Attack at Global Oil Corporation (3/5) | Legal | 50 |  | 
						
							
								| Operation Dry Pipe (2/4) | Legal | 50 |  | 
						
							
								| HTTP for fun | Network / Crypto | 250 |  | 
						
							
								| Obscure Exfiltration - Part 3 | Miscellaneous | 350 |  | 
						
							
								| Obscure Exfiltration - Part 2 | Miscellaneous | 100 |  | 
						
							
								| Obscure Exfiltration - Part 1 | Miscellaneous | 100 |  | 
						
							
								| Hidden Flag 1 | Crypto | 100 |  | 
						
							
								| Last song | Miscellaneous | 100 |  | 
						
							
								| Exfiltration in plain sight... | Forensics | 250 |  | 
						
							
								| Norms on responsible state behaviour in Cyberspace | Legal | 50 |  | 
						
							
								| Confidence Building measures | Legal | 50 |  | 
						
							
								| Blackout Out in Milan (4/4) | Legal | 50 |  | 
						
							
								| Blackout Out in Milan (3/4) | Legal | 50 |  | 
						
							
								| Blackout Out in Milan (2/4) | Legal | 50 |  | 
						
							
								| Blackout Out in Milan (1/4) | Legal | 50 |  | 
						
							
								| Back to the Future [3/6] | Forensics | 50 |  | 
						
							
								| Back to the Future [2/6] | Forensics | 50 |  | 
						
							
								| Back to the Future [1/6] | Forensics | 50 |  | 
						
							
								| Root Zone ccTLD Walk [part 1/2] | DNS | 50 |  | 
						
							
								| Break it | Crypto | 50 |  | 
						
							
								| Who am I? | Trivia | 100 |  | 
						
							
								| Simple Reversing 3 | Reversing | 150 |  | 
						
							
								| Simple Reversing 2 | Reversing | 100 |  | 
						
							
								| Simple Reversing 1 | Reversing | 100 |  | 
						
							
								| PCAPitalize on me | Network | 100 |  | 
						
							
								| Network monitoring | Miscellaneous | 10 |  | 
						
							
								| Maturity assessment | Miscellaneous | 10 |  | 
						
							
								| Malware history | Miscellaneous | 10 |  | 
						
							
								| Faster Than Light Speed Protocol (FLIP) | Miscellaneous | 10 |  | 
						
							
								| Data format for exchanging CTI information | Miscellaneous | 10 |  | 
						
							
								| Subsea cables | Legal | 50 |  | 
						
							
								| Summer Computer | Hack.lu attendees | 90 |  | 
						
							
								| Can you answer? | Forensics | 53 |  |